CVE-2026-35462 Papra Does Not Reject Expired API Keys
Attackers can use expired API keys to bypass authentication and access protected endpoints in the Papra document management platform.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-35462?
CVE-2026-35462 is a medium-severity authentication bypass vulnerability in papra-hq papra, published on 7 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Papra is a minimalistic document management and archiving platform. Prior to 26.4.0, API keys with an expiresAt date are never validated against the current time during authentication. Any API key — regardless of its expiration date — is accepted indefinitely, allowing a user whose key has expired to continue accessing all protected endpoints as if the key were still valid. This vulnerability is fixed in 26.4.0.
Weakness: CWE-613
Which versions are affected by CVE-2026-35462?
It affects 1 product.
Products include Papra Papra.
How do I fix CVE-2026-35462?
No fix has been published for CVE-2026-35462 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-2026-35462 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-35462 exists.
Other vulnerabilities in papra-hq papra
Sources
Also known as GHSA-866c-mc22-wvv5.