CRITICAL 9.3 NVD
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 acc
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.
References
- https://github.com/Peppermint-Lab/peppermint
- https://github.com/Peppermint-Lab/peppermint/blob/0.5.5/apps/api/src/lib/jwt.ts
- https://github.com/Peppermint-Lab/peppermint/blob/0.5.5/docker-compose.yml
- https://github.com/Peppermint-Lab/peppermint/issues/528
- https://www.vulncheck.com/advisories/peppermint-through-0.5.5-use-of-hard-coded-jwt-signin
This critical severity vulnerability with a CVSS score of 9.3 was published on 2026-09-03 via NVD.
Risk Timeline
CVE Disclosed2026-09-03 · -1 days ago
Remediation Resources
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