CVE-2026-75774 karakeep-app karakeep OAuth Sign-In auth.ts improper authentication
Remote attackers can bypass OAuth authentication in karakeep to gain unauthorized access, though exploitation is complex and difficult.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-75774?
CVE-2026-75774 is a medium-severity authentication bypass vulnerability in karakeep-app karakeep, published on 18 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-287
Which versions are affected by CVE-2026-75774?
How do I fix CVE-2026-75774?
No fix has been published for CVE-2026-75774 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-75774 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-75774 exists.
Sources
Also known as GHSA-g3wj-5278-jq3m.