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OpenAdvisories
Critical · 9.8 CVE-2026-85391 EUVD-2026-70668GHSA-mjr9-fw4p-963x

Peppermint through 0.5.5 Use of Hard-coded JWT Signing Secret in docker-compose.yml

Published Sep 3, 2026 · Updated Sep 3, 2026 · Assigned by VulnCheck

Description

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.

Affected products

VendorProductAffectedFixed
Peppermint-Lab peppermint ≤ 0.5.5 —

References