Matrix-Org
80 CVEs across 16 Matrix-Org products. Browse Matrix-Org vulnerabilities, severities, and proof-of-concept exploits.
Matrix-Org products with known CVEs
| CVE | Severity | Score | Published | Summary |
|---|---|---|---|---|
CVE-2026-63097 | Medium | 4.3 | 2026-07-17 | Dendrite through 0.13.8 contains an improper access control vulnerability in the syncapi /context endpoint (syncapi/routing/context.go) that allows authenticat… |
CVE-2026-63096 | Medium | 5.8 | 2026-07-17 | Dendrite through 0.13.8 contains a server-side request forgery vulnerability that allows unauthenticated attackers to cause the server to open outbound TLS con… |
CVE-2026-63095 | Medium | 6.5 | 2026-07-17 | Dendrite through 0.13.8 contains an improper authorization vulnerability in the Matrix Client-Server API that allows any authenticated local user to delete thi… |
CVE-2025-66622 | High | 7.5 | 2025-12-09 | matrix-sdk-base is the base component to build a Matrix client library. Versions 0.14.1 and prior are unable to handle responses that include custom m.room.joi… |
CVE-2025-59160 | | 2025-09-16 | Matrix JavaScript SDK is a Matrix Client-Server SDK for JavaScript and TypeScript. matrix-js-sdk before 38.2.0 has insufficient validation of room predecessor… | |
CVE-2025-59047 | | 2025-09-11 | matrix-sdk-base is the base component to build a Matrix client library. In matrix-sdk-base before 0.14.1, calling the `RoomMember::normalized_power_level()` me… | |
CVE-2025-53549 | | 2025-07-10 | The Matrix Rust SDK is a collection of libraries that make it easier to build Matrix clients in Rust. An SQL injection vulnerability in the EventCache::find_ev… | |
CVE-2025-48937 | Medium | 4.9 | 2025-06-10 | matrix-rust-sdk is an implementation of a Matrix client-server library in Rust. matrix-sdk-crypto since version 0.8.0 and up to 0.11.0 does not correctly valid… |
CVE-2025-27155 | Medium | 6.1 | 2025-03-04 | Pinecone is an experimental overlay routing protocol suite which is the foundation of the current P2P Matrix demos. The Pinecone Simulator (pineconesim) includ… |
CVE-2025-27146 | Low | 2.7 | 2025-02-25 | matrix-appservice-irc is a Node.js IRC bridge for Matrix. The matrix-appservice-irc bridge up to version 3.0.3 contains a vulnerability which can lead to arbit… |
CVE-2025-23197 | Medium | 6.5 | 2025-01-27 | matrix-hookshot is a Matrix bot for connecting to external services like GitHub, GitLab, JIRA, and more. When Hookshot 6 version 6.0.1 or below, or Hookshot 5… |
CVE-2025-24024 | Critical | 9.1 | 2025-01-21 | Mjolnir is a moderation tool for Matrix. Mjolnir v1.9.0 responds to management commands from any room the bot is member of. This can allow users who aren't ope… |
CVE-2024-52594 | Medium | 4.3 | 2025-01-16 | Gomatrixserverlib is a Go library for matrix federation. Gomatrixserverlib is vulnerable to server-side request forgery, serving content from a private network… |
CVE-2024-52813 | Medium | 4.3 | 2025-01-07 | matrix-rust-sdk is an implementation of a Matrix client-server library in Rust. Versions of the matrix-sdk-crypto Rust crate before 0.8.0 lack a dedicated mech… |
CVE-2024-52505 | Medium | 5.4 | 2024-11-14 | matrix-appservice-irc is a Node.js IRC bridge for the Matrix messaging protocol. The provisioning API of the matrix-appservice-irc bridge up to version 3.0.2 c… |
CVE-2024-50336 | | 2024-11-12 | matrix-js-sdk is a Matrix messaging protocol Client-Server SDK for JavaScript. matrix-js-sdk before 34.11.0 is vulnerable to client-side path traversal via cra… | |
CVE-2024-47824 | | 2024-10-15 | matrix-react-sdk is react-based software development kit for inserting a Matrix chat/VOIP client into a web page. Starting in version 3.18.0 and before 3.102.0… | |
CVE-2024-47080 | | 2024-10-15 | matrix-js-sdk is the Matrix Client-Server SDK for JavaScript and TypeScript. In matrix-js-sdk versions versions 9.11.0 through 34.7.0, the method `MatrixClient… | |
CVE-2024-42369 | Medium | 4.1 | 2024-08-20 | matrix-js-sdk is a Matrix messaging protocol Client-Server SDK for JavaScript. A malicious homeserver can craft a room or room structure such that the predeces… |
CVE-2024-42347 | High | 7.7 | 2024-08-06 | matrix-react-sdk is a react-based SDK for inserting a Matrix chat/voip client into a web page. A malicious homeserver could manipulate a user's account data t… |
CVE-2024-40648 | Medium | 5.4 | 2024-07-18 | matrix-rust-sdk is an implementation of a Matrix client-server library in Rust. The `UserIdentity::is_verified()` method in the matrix-sdk-crypto crate before… |
CVE-2024-40640 | Low | 2.9 | 2024-07-17 | vodozemac is an open source implementation of Olm and Megolm in pure Rust. Versions before 0.7.0 of vodozemac use a non-constant time base64 implementation fo… |
CVE-2024-39691 | Medium | 4.3 | 2024-07-05 | matrix-appservice-irc is a Node.js IRC bridge for the Matrix messaging protocol. The fix for GHSA-wm4w-7h2q-3pf7 / CVE-2024-32000 included in matrix-appservice… |
CVE-2024-34353 | Medium | 5.5 | 2024-05-14 | The matrix-sdk-crypto crate, part of the Matrix Rust SDK project, is an implementation of a Matrix end-to-end encryption state machine in Rust. In Matrix, the… |
CVE-2024-34063 | Low | 2.5 | 2024-05-03 | vodozemac is an implementation of Olm and Megolm in pure Rust. Versions 0.5.0 and 0.5.1 of vodozemac have degraded secret zeroization capabilities, due to chan… |
CVE-2024-32000 | Medium | 4.3 | 2024-04-12 | matrix-appservice-irc is a Node.js IRC bridge for the Matrix messaging protocol. matrix-appservice-irc before version 2.0.0 can be exploited to leak the trunca… |
CVE-2023-43796 | Medium | 5.3 | 2023-10-31 | Synapse is an open-source Matrix homeserver Prior to versions 1.95.1 and 1.96.0rc1, cached device information of remote users can be queried from Synapse. This… |
CVE-2023-45129 | Medium | 4.9 | 2023-10-10 | Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. Prior to version 1.94.0, a malicious server ACL event can impa… |
CVE-2023-43656 | Medium | 5.6 | 2023-09-27 | matrix-hookshot is a Matrix bot for connecting to external services like GitHub, GitLab, JIRA, and more. Instances that have enabled transformation functions (… |
CVE-2023-42453 | Low | 3.1 | 2023-09-27 | Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. Users were able to forge read receipts for any event (if they… |
CVE-2023-41335 | Low | 3.7 | 2023-09-27 | Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. When users update their passwords, the new credentials may be… |
CVE-2023-38700 | Low | 3.5 | 2023-08-04 | matrix-appservice-irc is a Node.js IRC bridge for Matrix. Prior to version 1.0.1, it was possible to craft an event such that it would leak part of a targeted… |
CVE-2023-38691 | Medium | 5.0 | 2023-08-04 | matrix-appservice-bridge provides an API for setting up bridges. Starting in version 4.0.0 and prior to versions 8.1.2 and 9.0.1, a malicious Matrix server can… |
CVE-2023-38690 | Medium | 5.8 | 2023-08-04 | matrix-appservice-irc is a Node.js IRC bridge for Matrix. Prior to version 1.0.1, it is possible to craft a command with newlines which would not be properly p… |
CVE-2023-38686 | Critical | 9.3 | 2023-08-04 | Sydent is an identity server for the Matrix communications protocol. Prior to version 2.5.6, if configured to send emails using TLS, Sydent does not verify SMT… |
CVE-2023-37259 | Medium | 6.1 | 2023-07-18 | matrix-react-sdk is a react-based SDK for inserting a Matrix chat/voip client into a web page. The Export Chat feature includes certain attacker-controlled ele… |
CVE-2023-32683 | Low | 3.5 | 2023-06-06 | Synapse is a Matrix protocol homeserver written in Python with the Twisted framework. A discovered oEmbed or image URL can bypass the `url_preview_url_blacklis… |
CVE-2023-32682 | Medium | 5.4 | 2023-06-06 | Synapse is a Matrix protocol homeserver written in Python with the Twisted framework. In affected versions it may be possible for a deactivated user to login w… |
CVE-2023-32323 | Medium | 5.0 | 2023-05-26 | Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. A malicious user on a Synapse homeserver X with permission to… |
CVE-2022-39374 | Medium | 6.5 | 2023-05-26 | Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. If Synapse and a malicious homeserver are both joined to the s… |
CVE-2022-39335 | Medium | 5.0 | 2023-05-26 | Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. The Matrix Federation API allows remote homeservers to request… |
CVE-2023-30609 | Medium | 5.4 | 2023-04-25 | matrix-react-sdk is a react-based SDK for inserting a Matrix chat/VoIP client into a web page. Prior to version 3.71.0, plain text messages containing HTML tag… |
CVE-2023-29529 | Medium | 5.0 | 2023-04-14 | matrix-js-sdk is the Matrix Client-Server SDK for JavaScript and TypeScript. An attacker present in a room where an MSC3401 group call is taking place can eave… |
CVE-2023-28427 | High | 8.2 | 2023-03-28 | matrix-js-sdk is a Matrix messaging protocol Client-Server SDK for JavaScript. In versions prior to 24.0.0 events sent with special strings in key places can t… |
CVE-2023-28103 | High | 8.2 | 2023-03-28 | matrix-react-sdk is a Matrix chat protocol SDK for React Javascript. In certain configurations, data sent by remote servers containing special strings in key l… |
CVE-2022-36060 | High | 8.2 | 2023-03-28 | matrix-react-sdk is a Matrix chat protocol SDK for React Javascript. Events sent with special strings in key places can temporarily disrupt or impede the matri… |
CVE-2022-36059 | High | 8.2 | 2023-03-28 | matrix-js-sdk is a Matrix messaging protocol Client-Server SDK for JavaScript. In versions prior to 19.4.0 events sent with special strings in key places can t… |
CVE-2022-41952 | Medium | 6.5 | 2022-11-22 | Synapse before 1.52.0 with URL preview functionality enabled will attempt to generate URL previews for media stream URLs without properly limiting connection t… |
CVE-2022-39252 | High | 8.6 | 2022-09-29 | matrix-rust-sdk is an implementation of a Matrix client-server library in Rust, and matrix-sdk-crypto is the Matrix encryption library. Prior to version 0.6, w… |
CVE-2022-39250 | High | 8.6 | 2022-09-29 | Matrix JavaScript SDK is the Matrix Client-Server software development kit (SDK) for JavaScript. Prior to version 19.7.0, an attacker cooperating with a malici… |
CVE-2022-39257 | High | 7.5 | 2022-09-28 | Matrix iOS SDK allows developers to build iOS apps compatible with Matrix. Prior to version 0.23.19, an attacker cooperating with a malicious homeserver can co… |
CVE-2022-39255 | High | 8.6 | 2022-09-28 | Matrix iOS SDK allows developers to build iOS apps compatible with Matrix. Prior to version 0.23.19, an attacker cooperating with a malicious homeserver can co… |
CVE-2022-39251 | High | 8.6 | 2022-09-28 | Matrix Javascript SDK is the Matrix Client-Server SDK for JavaScript. Prior to version 19.7.0, an attacker cooperating with a malicious homeserver can construc… |
CVE-2022-39249 | High | 7.5 | 2022-09-28 | Matrix Javascript SDK is the Matrix Client-Server SDK for JavaScript. Prior to version 19.7.0, an attacker cooperating with a malicious homeserver can construc… |
CVE-2022-39248 | High | 8.6 | 2022-09-28 | matrix-android-sdk2 is the Matrix SDK for Android. Prior to version 1.5.1, an attacker cooperating with a malicious homeserver can construct messages that legi… |
CVE-2022-39246 | High | 7.5 | 2022-09-28 | matrix-android-sdk2 is the Matrix SDK for Android. Prior to version 1.5.1, an attacker cooperating with a malicious homeserver can construct messages appearing… |
CVE-2022-39236 | Medium | 4.3 | 2022-09-28 | Matrix Javascript SDK is the Matrix Client-Server SDK for JavaScript. Starting with version 17.1.0-rc.1, improperly formed beacon events can disrupt or impede… |
CVE-2022-39203 | High | 8.8 | 2022-09-13 | matrix-appservice-irc is an open source Node.js IRC bridge for Matrix. Attackers can specify a specific string of characters, which would confuse the bridge in… |
CVE-2022-39202 | Medium | 4.3 | 2022-09-13 | matrix-appservice-irc is an open source Node.js IRC bridge for Matrix. The Internet Relay Chat (IRC) protocol allows you to specify multiple modes in a single… |
CVE-2022-39200 | High | 7.3 | 2022-09-12 | Dendrite is a Matrix homeserver written in Go. In affected versions events retrieved from a remote homeserver using the `/get_missing_events` path did not have… |
CVE-2022-31152 | Medium | 6.4 | 2022-09-02 | Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. The Matrix specification specifies a list of [event authorizat… |
CVE-2022-36009 | Medium | 5.0 | 2022-08-19 | gomatrixserverlib is a Go library for matrix protocol federation. Dendrite is a Matrix homeserver written in Go, an alternative to Synapse. The power level par… |
CVE-2022-31052 | Medium | 6.5 | 2022-06-28 | Synapse is an open source home server implementation for the Matrix chat network. In versions prior to 1.61.1 URL previews of some web pages can exhaust the av… |
CVE-2022-29166 | High | 8.0 | 2022-05-05 | matrix-appservice-irc is a Node.js IRC bridge for Matrix. The vulnerability in node-irc allows an attacker to manipulate a Matrix user into executing IRC comma… |
CVE-2021-41281 | High | 7.5 | 2021-11-23 | Synapse is a package for Matrix homeservers written in Python 3/Twisted. Prior to version 1.47.1, Synapse instances with the media repository enabled can be tr… |
CVE-2021-39164 | Low | 3.1 | 2021-08-31 | Matrix is an ecosystem for open federated Instant Messaging and Voice over IP. In versions 1.41.0 and prior, unauthorised users can access the membership (list… |
CVE-2021-39163 | Low | 3.1 | 2021-08-31 | Matrix is an ecosystem for open federated Instant Messaging and Voice over IP. In versions 1.41.0 and prior, unauthorised users can access the name, avatar, to… |
CVE-2021-32659 | Medium | 6.5 | 2021-06-16 | Matrix-appservice-bridge is the bridging service for the Matrix communication program's application services. In versions 2.6.0 and earlier, if a bridge has ro… |
CVE-2021-32622 | Medium | 4.2 | 2021-05-17 | Matrix-React-SDK is a react-based SDK for inserting a Matrix chat/voip client into a web page. Before version 3.21.0, when uploading a file, the local file pre… |
CVE-2021-29471 | Low | 3.7 | 2021-05-11 | Synapse is a Matrix reference homeserver written in python (pypi package matrix-synapse). Matrix is an ecosystem for open federated Instant Messaging and VoIP… |
CVE-2021-29432 | Medium | 5.3 | 2021-04-15 | Sydent is a reference matrix identity server. A malicious user could abuse Sydent to send out arbitrary emails from the Sydent email address. This could be use… |
CVE-2021-29431 | High | 7.7 | 2021-04-15 | Sydent is a reference Matrix identity server. Sydent can be induced to send HTTP GET requests to internal systems, due to lack of parameter validation or IP ad… |
CVE-2021-29430 | High | 7.5 | 2021-04-15 | Sydent is a reference Matrix identity server. Sydent does not limit the size of requests it receives from HTTP clients. A malicious user could send an HTTP req… |
CVE-2021-29433 | Medium | 4.3 | 2021-04-15 | Sydent is a reference Matrix identity server. In Sydent versions 2.2.0 and prior, sissing input validation of some parameters on the endpoints used to confirm… |
CVE-2021-21393 | Medium | 5.3 | 2021-04-12 | Synapse is a Matrix reference homeserver written in python (pypi package matrix-synapse). Matrix is an ecosystem for open federated Instant Messaging and VoIP… |
CVE-2021-21392 | Medium | 6.3 | 2021-04-12 | Synapse is a Matrix reference homeserver written in python (pypi package matrix-synapse). Matrix is an ecosystem for open federated Instant Messaging and VoIP… |
CVE-2021-21394 | Medium | 5.3 | 2021-04-12 | Synapse is a Matrix reference homeserver written in python (pypi package matrix-synapse). Matrix is an ecosystem for open federated Instant Messaging and VoIP… |
CVE-2021-21333 | Medium | 6.1 | 2021-03-26 | Synapse is a Matrix reference homeserver written in python (pypi package matrix-synapse). Matrix is an ecosystem for open federated Instant Messaging and VoIP… |
CVE-2021-21332 | Medium | 6.9 | 2021-03-26 | Synapse is a Matrix reference homeserver written in python (pypi package matrix-synapse). Matrix is an ecosystem for open federated Instant Messaging and VoIP… |
CVE-2021-21320 | Low | 2.6 | 2021-03-02 | matrix-react-sdk is an npm package which is a Matrix SDK for React Javascript. In matrix-react-sdk before version 3.15.0, the user content sandbox can be abuse… |
CVE-2021-21274 | Medium | 4.3 | 2021-02-26 | Synapse is a Matrix reference homeserver written in python (pypi package matrix-synapse). Matrix is an ecosystem for open federated Instant Messaging and VoIP… |
CVE-2021-21273 | Low | 3.1 | 2021-02-26 | Synapse is a Matrix reference homeserver written in python (pypi package matrix-synapse). Matrix is an ecosystem for open federated Instant Messaging and VoIP… |
CVE-2020-26257 | Medium | 6.5 | 2020-12-09 | Matrix is an ecosystem for open federated Instant Messaging and VoIP. Synapse is a reference "homeserver" implementation of Matrix. A malicious or poorly-imple… |