CWE-203 · Observable Discrepancy

795 CVEs classified under CWE-203 (Observable Discrepancy). Browse by severity and year.

Top CVEs for CWE-203
CVESeverityScorePublishedSummary
CVE-2019-25337Critical9.82026-02-12OwnCloud 8.1.8 contains a username enumeration vulnerability that allows remote attackers to discover user accounts by manipulating the share.php endpoint. Att…
CVE-2026-23519Critical9.82026-01-15RustCrypto CMOV provides conditional move CPU intrinsics which are guaranteed on major platforms to execute in constant-time and not be rewritten as branches b…
CVE-2025-39702Critical9.82025-09-05In the Linux kernel, the following vulnerability has been resolved: ipv6: sr: Fix MAC comparison to be constant-time To prevent timing attacks, MACs need to…
CVE-2025-27667Critical9.82025-03-05Vasion Print (formerly PrinterLogic) before Virtual Appliance Host 22.0.843 Application 20.0.1923 allows Administrative User Email Enumeration OVE-20230524-001…
CVE-2024-25714Critical9.82024-02-11In Rhonabwy through 1.1.13, HMAC signature verification uses a strcmp function that is vulnerable to side-channel attacks, because it stops the comparison when…
CVE-2024-25191Critical9.82024-02-08php-jwt 1.0.0 uses strcmp (which is not constant time) to verify authentication, which makes it easier to bypass authentication via a timing side channel.
CVE-2024-25190Critical9.82024-02-08l8w8jwt 2.2.1 uses memcmp (which is not constant time) to verify authentication, which makes it easier to bypass authentication via a timing side channel.
CVE-2024-25189Critical9.82024-02-08libjwt 1.15.3 uses strcmp (which is not constant time) to verify authentication, which makes it easier to bypass authentication via a timing side channel.
CVE-2024-23771Critical9.82024-01-22darkhttpd before 1.15 uses strcmp (which is not constant time) to verify authentication, which makes it easier for remote attackers to bypass authentication vi…
CVE-2023-40756Critical9.82023-08-28User enumeration is found in PHPJabbers Callback Widget v1.0. This issue occurs during password recovery, where a difference in messages could allow an attacke…
CVE-2022-23304Critical9.82022-01-17The implementations of EAP-pwd in hostapd before 2.10 and wpa_supplicant before 2.10 are vulnerable to side-channel attacks as a result of cache access pattern…
CVE-2022-23303Critical9.82022-01-17The implementations of SAE in hostapd before 2.10 and wpa_supplicant before 2.10 are vulnerable to side channel attacks as a result of cache access patterns. N…
CVE-2019-10071Critical9.82019-09-16The code which checks HMAC in form submissions used String.equals() for comparisons, which results in a timing side channel for the comparison of the HMAC sign…
CVE-2018-1000884Critical9.82018-12-20Vesta CP version Prior to commit f6f6f9cfbbf2979e301956d1c6ab5c44386822c0 -- any release prior to 0.9.8-18 contains a CWE-208 / Information Exposure Through Ti…
CVE-2024-47678Critical9.42024-10-21In the Linux kernel, the following vulnerability has been resolved: icmp: change the order of rate limits ICMP messages are ratelimited : After the blamed c…
CVE-2026-74961Critical9.12026-08-18Side-channel in the Web Audio component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
CVE-2025-10890Critical9.12025-09-24Side-channel information leakage in V8 in Google Chrome prior to 140.0.7339.207 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (C…
CVE-2023-26556Critical9.12023-04-21io.finnet tss-lib before 2.0.0 can leak a secret key via a timing side-channel attack because it relies on the scalar-multiplication implementation in Go crypt…
CVE-2022-40895Critical9.12022-10-06In certain Nedi products, a vulnerability in the web UI of NeDi login & Community login could allow an unauthenticated, remote attacker to affect the integrity…
CVE-2026-41588Critical9.02026-05-08RELATE is a web-based courseware package. Prior to commit 2f68e16, there is a timing attack vulnerability in course/auth.py — check_sign_in_key(). This issue h…
All CVEs classified under CWE-203 — newest first (page 1 of 8)
CVESeverityScorePublishedSummary
CVE-2026-844612026-09-25Zammad is a web based open source helpdesk/customer support system. Prior to 7.1.2, the two-factor login step let an attacker try unlimited password guesses fo…
CVE-2026-95270Low3.72026-09-22A flaw has been found in dgtlmoon changedetection.io up to 0.60.7. The affected element is the function check_password of the file changedetectionio/flask_app…
CVE-2026-91725Medium5.32026-09-15Observable discrepancy in CSS in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to leak sensitive information via a crafted HTML page. (Chromiu…
CVE-2026-91714Medium5.32026-09-15Observable discrepancy in Fonts in Google Chrome prior to 153.0.8010.47 allowed a remote attacker leveraging social engineering to leak sensitive information v…
CVE-2026-56888Medium6.22026-09-15In multiple locations, there is a possible permission bypass due to side channel information disclosure. This could lead to local escalation of privilege with…
CVE-2026-59341Medium4.22026-09-15A security vulnerability exists in the Sealed Secrets controller's unauthenticated POST endpoints. By submitting a modified payload containing custom Go templa…
CVE-2025-5802Medium5.32026-09-15The self-registration flow accepts user-supplied input for usernames without adequately preventing the disclosure of username existence. When a user attempts t…
CVE-2025-13166Low3.72026-09-15The SMS OTP flow fails to adequately handle error messages, allowing an attacker to infer the existence of registered user accounts based on the responses rece…
CVE-2026-87623Medium6.52026-09-09Observable discrepancy in DOM in Google Chrome prior to 153.0.8010.36 allowed a remote attacker leveraging social engineering to obtain sensitive information v…
CVE-2026-87620Medium6.52026-09-09Observable discrepancy in SVG in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to obtain sensitive information via a crafted HTML page. (Chrom…
CVE-2026-87619Medium4.32026-09-09Observable discrepancy in Prefetch in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromi…
CVE-2026-87566Medium5.32026-09-09Observable discrepancy in Layout in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to leak sensitive information via a crafted HTML page. (Chro…
CVE-2026-87539Low3.12026-09-09Observable discrepancy in Network in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. (Chrom…
CVE-2026-87518Medium5.32026-09-09Observable discrepancy in Safebrowsing in Google Chrome on on iOS prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to…
CVE-2026-87516Medium4.32026-09-09Observable discrepancy in Navigation in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chro…
CVE-2026-87478Medium6.52026-09-09Observable discrepancy in Autofill in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to obtain sensitive information via a crafted HTML page. (…
CVE-2026-87459Medium6.52026-09-09Observable discrepancy in Select in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to obtain sensitive information via a crafted HTML page. (Ch…
CVE-2026-539332026-09-08Maravel, a PHP framework oriented towards dependency injection, prior to version 10.73.1 has a side-channel information disclosure issue. When a route was comp…
CVE-2026-786172026-08-28WatchGuard Dimension's web login endpoint does not enforce effective rate-limiting or account lockout by default allowing a remote attacker to perform automate…
CVE-2026-37064Medium5.32026-08-27User enumeration in /vfm-admin/ajax/usr-check.php in Veno File Manager Project 4.4.9 allows an unauthenticated attacker to enumerate the application users via…
CVE-2026-11754Medium5.32026-08-27Observable discrepancy vulnerability in Seres Software syWEB allows Account Footprinting. This issue affects syWEB: through 27082026. NOTE: The vendor was con…
CVE-2026-55227Medium4.32026-08-26Weblate is a web-based localization tool. In versions prior to 2026.7, several endpoints look up objects in a globally scoped manner rather than restricting th…
CVE-2026-79287Medium5.32026-08-25Observable discrepancy in Forms in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to obtain sensitive information via a crafted HTML page. (Chr…
CVE-2026-79242Medium5.32026-08-25Observable discrepancy in HTML in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to obtain sensitive information via a crafted HTML page. (Chro…
CVE-2026-79181Medium5.32026-08-25Observable discrepancy in Glic in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to obtain sensitive information via a crafted HTML page. (Chro…
CVE-2026-79030Medium5.32026-08-25Observable discrepancy in Autofill in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to obtain sensitive information via a crafted HTML page. (…
CVE-2026-79028Medium5.32026-08-25Observable discrepancy in Network in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to obtain sensitive information via a crafted HTML page. (C…
CVE-2026-79016Medium4.32026-08-25Observable discrepancy in SVG in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. (Chromium…
CVE-2026-78955Medium6.52026-08-25Observable discrepancy in PerformanceAPIs in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to potentially obtain cross-origin data via a craft…
CVE-2026-78949Low2.92026-08-25Observable discrepancy in CustomTabs in Google Chrome on on Android prior to 152.0.7977.65 allowed a local attacker to obtain cross-origin data via a co-instal…
CVE-2026-78936Low2.92026-08-25Observable discrepancy in CustomTabs in Google Chrome on on Android prior to 152.0.7977.65 allowed a local attacker to obtain cross-origin data via a co-instal…
CVE-2026-72699Medium5.32026-08-25The Grav Login plugin (getgrav/grav-plugin-login) before 3.9.1 is vulnerable to email address enumeration. The register() method in classes/Login.php throws a…
CVE-2026-74961Critical9.12026-08-18Side-channel in the Web Audio component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
CVE-2026-74954High7.52026-08-18Information disclosure due to side-channel in the Storage: Cache API component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154…
CVE-2026-23937Medium6.52026-08-18The Zabbix API host.get action can be exploited by authenticated users to extract a host's PSK key leading to potential loss of data integrity.
CVE-2026-23931Medium4.32026-08-18The frontend validatate.api.exists action can be exploited by authenticated users to extract plaintext user macro values leading to potential loss of confident…
CVE-2026-19965Low3.72026-08-17A vulnerability was determined in automad up to 2.0.0-beta.32. This vulnerability affects the function requestPasswordResetToken of the file automad/src/server…
CVE-2026-73630Medium5.82026-08-14SiYuan before v3.7.4 contains an information disclosure vulnerability in the /api/filetree/authFilePublishAccess endpoint, which is registered with CheckAuth o…
CVE-2026-72632High7.12026-08-13Observable Discrepancy (CWE-203) in Kibana Fleet can lead to information disclosure via Excavation (CAPEC-116). Fleet removes the Elasticsearch API key value o…
CVE-2026-58445Low2.72026-08-13Cross-repository label-ID enumeration oracle via unscoped DeleteIssueLabel API
CVE-2026-59502Medium5.32026-08-13: Observable Discrepancy vulnerability in Priority Portal Generator addon to Priority ERP (developed by Soft Solutions). This issue affects Portal Generator a…
CVE-2026-734092026-08-12Budibase is an open-source low-code platform. Prior to 3.40.1, packages/server/src/integrations/mongodb.ts passed builder-controlled tlsCertificateKeyFile and…
CVE-2025-13736Low3.72026-08-06When Multi-Attribute Login is enabled, the login interface fails to consistently mask the existence of user accounts. For valid users, the server resolves and…
CVE-2026-59640Medium5.32026-08-03In Bouncy Castle for Java before 1.85, OpenPGP CFB quick-check oracle active on symmetric/session-key paths. This issue also affects Bouncy Castle for Java LTS…
CVE-2026-67193Medium5.32026-07-29Xlight FTP Server before 3.9.5 contains an information disclosure vulnerability that allows unauthenticated attackers to obtain the server's current GetTickCou…
CVE-2026-55555High7.52026-07-28Dompdf is an HTML to PDF converter for PHP. Versions 3.15 and prior are vulnerable to a File Existence Oracle attack through the manipulation of the CSS @font-…
CVE-2026-64713High8.12026-07-27This issue was addressed with improved checks. This issue is fixed in Safari 26.6, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchO…
CVE-2026-65314Medium4.32026-07-21Electric Postgres Sync versions below 1.6.10 contains an information disclosure vulnerability that allows attackers to infer the values of excluded columns by…
CVE-2026-47011Low2.62026-07-21Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Application Interface). Supported versions that are affected are 17.0-26.4…
CVE-2026-64822Medium5.32026-07-21djangoSIGE through 1.10 (commit a6fe7e8) contains a user enumeration vulnerability in ForgotPasswordView within djangosige/apps/login/views.py that allows unau…
CVE-2026-56339High7.52026-07-15Capgo (Cap-go/capgo) before 12.128.2 contains an information disclosure vulnerability in the Supabase PostgREST SECURITY DEFINER RPC function public.rescind_in…
CVE-2026-56296Medium5.32026-07-11Cap-go before 12.128.2 contains an information disclosure vulnerability in the public.transfer_app RPC function that returns distinct error messages for existi…
CVE-2026-585032026-07-10Frappe is a full-stack web application framework. Prior to 16.16.0 and 15.106.0, user enumeration could be performed via the reset_password endpoint. This issu…
CVE-2026-51926High7.52026-07-09An issue in docuForm GmbH FSM Client v.11.11c allows a remote attacker to obtain sensitive information via the login.php component. A vulnerability was identif…
CVE-2026-44332Medium5.32026-07-08Fiber is an Express inspired web framework written in Go. Prior to 3.3.0, the default Authorizer function in the BasicAuth middleware in middleware/basicauth/c…
CVE-2026-56327Medium5.32026-06-30Capgo before 12.128.2 contains an information disclosure vulnerability in the public.invite_user_to_org RPC function that allows unauthenticated attackers to e…
CVE-2026-14112Medium5.32026-06-30Inappropriate implementation in Enterprise in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who convinced a user to engage in specific UI gest…
CVE-2026-14071Medium6.52026-06-30Side-channel information leakage in WebAudio in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to leak cross-origin data via a crafted HTML pag…
CVE-2026-473792026-06-23NocoDB is software for building databases as spreadsheets. Prior to 2026.05.1, the shared-view password check fell back to strict-equality (===) comparison for…
CVE-2026-56316Medium5.32026-06-21Cap-go before 12.128.2 contains an information disclosure vulnerability in the OPTIONS /build/upload/:jobId/* endpoint that allows unauthenticated attackers to…
CVE-2026-56319Medium4.32026-06-20Capgo before 12.128.2 contains an information disclosure vulnerability in the GET /statistics/app/:app_id endpoint that allows app-limited API keys to distingu…
CVE-2023-54357High7.52026-06-19Joomla com_booking component 2.4.9 contains an information disclosure vulnerability that allows unauthenticated attackers to enumerate user accounts by exploit…
CVE-2026-11289Medium6.52026-06-05Side-channel information leakage in Paint in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data via a crafted HTML page…
CVE-2026-11284Medium6.52026-06-05Side-channel information leakage in PerformanceAPIs in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data via a crafted H…
CVE-2026-45294Medium5.32026-05-29FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to 1.8.219, the password reset endpoint returns visually distinct resp…
CVE-2026-45410Medium5.32026-05-28TREK is a collaborative travel planner. Prior to 3.0.18, early return on missing user during login flow allowed an attacker to enumerate valid user accounts vi…
CVE-2026-8242Low3.72026-05-10A vulnerability was found in Industrial Application Software IAS Canias ERP 8.03. The impacted element is the function doAction of the component Login RMI Inte…
CVE-2026-41588Critical9.02026-05-08RELATE is a web-based courseware package. Prior to commit 2f68e16, there is a timing attack vulnerability in course/auth.py — check_sign_in_key(). This issue h…
CVE-2026-44263Medium4.32026-05-07Weblate is a web based localization tool. Prior to version 5.17.1, the screenshots, tasks, and component link API allowed for the enumeration of translations i…
CVE-2023-5872Medium4.32026-04-16In Wago Smart Designer in versions up to 2.33.1 a low privileged remote attacker may enumerate projects and usernames through iterative requests to an specific…
CVE-2026-26895Medium5.32026-04-02User enumeration vulnerability in /pwreset.php in osTicket v1.18.2 allows remote attackers to enumerate valid usernames registered in the platform.
CVE-2025-67806Low3.72026-04-01The login mechanism of Sage DPW 2021_06_004 displays distinct responses for valid and invalid usernames, allowing enumeration of existing accounts in versions…
CVE-2026-33429Medium5.32026-03-24Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.54 and 9.6.0-alpha.43, an attacke…
CVE-2026-33425Medium5.32026-03-21Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, unauthenticated users can determine whether a spe…
CVE-2026-3580Medium4.72026-03-19In wolfSSL 5.8.4, constant-time masking logic in sp_256_get_entry_256_9 is optimized into conditional branches (bnez) by GCC when targeting RISC-V RV32I with -…
CVE-2026-3579Medium5.92026-03-19wolfSSL 5.8.4 on RISC-V RV32I architectures lacks a constant-time software implementation for 64-bit multiplication. The compiler-inserted __muldi3 subroutine…
CVE-2026-28490Medium6.52026-03-16Authlib is a Python library which builds OAuth and OpenID Connect servers. Prior to version 1.6.9, a cryptographic padding oracle vulnerability was identified…
CVE-2026-21386Medium4.32026-03-16Mattermost versions 11.3.x <= 11.3.0, 11.2.x <= 11.2.2, 10.11.x <= 10.11.10 fail to use consistent error responses when handling the /mute command which allows…
CVE-2026-4045Low3.72026-03-12A flaw has been found in projectsend up to r1945. This impacts an unknown function of the file includes/Classes/Auth.php. Executing a manipulation of the argum…
CVE-2026-4040Low3.32026-03-12A vulnerability was identified in OpenClaw up to 2026.2.17. This issue affects the function tools.exec.safeBins of the component File Existence Handler. The ma…
CVE-2026-26315High7.52026-02-19go-ethereum (Geth) is a golang execution layer implementation of the Ethereum protocol. Prior to version 1.16.9, through a flaw in the ECIES cryptography imple…
CVE-2026-23621Medium4.32026-02-19GFI MailEssentials AI versions prior to 22.4 contain an arbitrary directory existence enumeration vulnerability in the ListServer.IsPathExist() web method expo…
CVE-2026-23620Medium4.32026-02-19GFI MailEssentials AI versions prior to 22.4 contain an arbitrary file existence enumeration vulnerability in the ListServer.IsDBExist() web method exposed at…
CVE-2019-25337Critical9.82026-02-12OwnCloud 8.1.8 contains a username enumeration vulnerability that allows remote attackers to discover user accounts by manipulating the share.php endpoint. Att…
CVE-2026-26185Medium5.32026-02-12Directus is a real-time API and App dashboard for managing SQL database content. Before 11.14.1, a timing-based user enumeration vulnerability exists in the pa…
CVE-2026-25562Medium4.32026-02-07WeKan versions prior to 8.19 contain an information disclosure vulnerability in the attachments publication. Attachment metadata can be returned without proper…
CVE-2026-25509Medium5.32026-02-03CI4MS is a CodeIgniter 4-based CMS skeleton that delivers a production-ready, modular architecture with RBAC authorization and theme support. Prior to version…
CVE-2026-23849Medium5.32026-01-19File Browser provides a file managing interface within a specified directory and can be used to upload, delete, preview, rename, and edit files. Prior to versi…
CVE-2026-23519Critical9.82026-01-15RustCrypto CMOV provides conditional move CPU intrinsics which are guaranteed on major platforms to execute in constant-time and not be rewritten as branches b…
CVE-2026-21484Medium5.32026-01-03AnythingLLM is an application that turns pieces of content into context that any LLM can use as references during chatting. Prior to commit e287fab56089cf8fcea…
CVE-2024-55374Medium5.32026-01-02REDCap 14.3.13 allows an attacker to enumerate usernames due to an observable discrepancy between login attempts.
CVE-2022-50800High7.52025-12-30H3C SSL VPN contains a user enumeration vulnerability that allows attackers to identify valid usernames through the 'txtUsrName' POST parameter. Attackers can…
CVE-2023-53943Medium5.32025-12-18GLPI 9.5.7 contains a username enumeration vulnerability in the lost password recovery mechanism that allows attackers to validate email addresses. Attackers c…
CVE-2025-65185Low2.82025-12-17There is a username enumeration via local user login in Entrinsik Informer v5.10.1 which allows malicious users to enumerate users by entering an OTP code and…
CVE-2025-68164Low2.72025-12-16In JetBrains TeamCity before 2025.11 port enumeration was possible via the Perforce connection test
CVE-2025-139122025-12-11Multiple constant-time implementations in wolfSSL before version 5.8.4 may be transformed into non-constant-time binary by LLVM optimizations, which can potent…
CVE-2020-36888Medium5.32025-12-10SpinetiX Fusion Digital Signage 3.4.8 contains a username enumeration vulnerability in its login script that allows attackers to identify valid user accounts…
CVE-2025-63094High7.52025-12-10XiangShan Nanhu V2 and XiangShan Kunmighu V3 were discovered to use speculative execution and indirect branch prediction, allowing attackers to access sensitiv…
CVE-2025-39665Medium5.32025-12-03User enumeration in Nagvis' Checkmk MultisiteAuth before version 1.9.48 allows an unauthenticated attacker to enumerate Checkmk usernames.
CVE-2025-59702High7.22025-12-02Entrust nShield Connect XC, nShield 5c, and nShield HSMi through 13.6.11, or 13.7 (patched in 13.6.12 (LTS) and 13.9.0 (STS)), allow a physically proximate att…