CVE-2026-85391
CVE-2026-85391
Peppermint through 0.5.5 contains a hardcoded JWT signing secret in docker-compose.yml that allows unauthenticated attackers to forge session tokens for any account. Attackers can use the published secret to mint valid tokens for arbitrary user IDs and access protected endpoints without credentials.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-85391?
- CVE-2026-85391 is a critical-severity vulnerability, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2026-09-03.
- How severe is CVE-2026-85391?
- Critical severity. CVSS v3 base score is 9.8 out of 10.