Peppermint through 0.5.5 Use of Hard-coded JWT Signing Secret in docker-compose.yml (CVE-2026-85391) | HOL Guard CVE

Unknown severity · Source severity not reportedCVE-2026-85391

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

Answer in brief

CVE-2026-85391 records a Unknown severity vulnerability in Peppermint through 0.5.5 Use of Hard-coded JWT Signing Secret in docker-compose.yml. The current sources do not mark it as known exploited. The current feed maps Peppermint-Lab/peppermint (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 3, 2026Updated Sep 3, 2026Source checked Sep 3, 2026First seen by HOL Sep 3, 2026Material review Sep 3, 2026

Upstream Advisory

Key facts

Risk: Unknown severitySource severity not reported
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Not reported

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Peppermint-Lab/peppermint (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Peppermint-Lab/peppermintgeneric	0	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for Peppermint-Lab/peppermint.
Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

Published upstream
Sep 3, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 3, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 3, 2026

Sources and claim methodology

Upstream source 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.

Quoted source text, attributed separately from HOL analysis.