CVE-2026-85391

    Dashboard / Vulnerabilities / CVE-2026-85391

    CVE-2026-85391

    Published: 3 Sept 2026Last Modified: 11 Sept 2026

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

    Details: 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/CVEProject/cvelistV5/tree/main/cves/2026/85xxx/CVE-2026-85391.json, https://nvd.nist.gov/vuln/detail/CVE-2026-85391, https://www.vulncheck.com/advisories/peppermint-through-0.5.5-use-of-hard-coded-jwt-signing-secret-in-docker-compose-yml, https://github.com/Peppermint-Lab/peppermint/issues/528, 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

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -71ae71ba78e1d605bc4b178342710cc7f1dc3714

    Affected versions

    0.5.4.2
    0.5.3.2
    0.5.3.1
    0.5.2
    0.5.1

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2026-85391 | CVE-DB