What is CVE-2026-35462?

CVE-2026-35462 is a medium-severity vulnerability in Papra, classified under Insufficient Session Expiration. CVSS score: 4.3/10. Published 2026-04-07.

How severe is CVE-2026-35462?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Papra

CVE-2026-35462

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.

Published 2026-04-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (25.4th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 25.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001

Affected products

Papra
Papra-Hq Papra — versions < 26.4.0

Weakness classification (CWE)

CWE-613 — Insufficient Session Expiration

References

github.com/papra-hq/papra/security/advisories/GHSA-866c-mc22-wvv5 (Exploit, Vendor Advisory)

Frequently asked questions

What is CVE-2026-35462?: CVE-2026-35462 is a medium-severity vulnerability in Papra, classified under Insufficient Session Expiration. CVSS score: 4.3/10. Published 2026-04-07.
How severe is CVE-2026-35462?: Medium severity. CVSS v3 base score is 4.3 out of 10.