Auth bypass in Karakeep-App Karakeep
CVE-2026-75774
A vulnerability was determined in karakeep-app karakeep up to 0.32.0. The impacted element is an unknown function of the file apps/web/server/auth.ts of the component OAuth Sign-In. This manipulation causes improper authentication. It is possible to initiate the attack remotely. The complexity of an attack is rather high. The exploitability is regarded as difficult. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.006 (45.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 45.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.001
Affected products
- Karakeep-App Karakeep — versions 0.1, 0.10, 0.11
Weakness classification (CWE)
References
- vuldb.com/vuln/391520 (vdb-entry)
- vuldb.com/vuln/391520/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-75774 (third-party-advisory)
- vuldb.com/submit/877732 (third-party-advisory)
- github.com/karakeep-app/karakeep/issues/2920 (issue-tracking, exploit)
- github.com/karakeep-app/karakeep/ (product)
Frequently asked questions
- What is CVE-2026-75774?
- CVE-2026-75774 is a low-severity vulnerability in Karakeep-App Karakeep, classified under Improper Authentication. CVSS score: 3.7/10. Published 2026-08-18.
- How severe is CVE-2026-75774?
- Low severity. CVSS v3 base score is 3.7 out of 10.