CVE-2026-125123: compose-lint: A file path in a pull request can issue CI workflow commands through compose-lint 0.31.0's command-line error messages

Published Nov 10, 2026
·
Updated

compose-lint is a Docker Compose security linter that identifies dangerous misconfigurations before deployment. In version 0.31.0, compose-lint's argument parser writes rejected repository paths to stderr without the output sanitizer when a path is passed without a preceding -- separator. A pull request can supply a path containing workflow-command syntax; a carriage return can position that command at the start of a new line recognized by the GitHub Actions runner, allowing the package, Docker image, or a pre-commit hook with misconfigured args to issue the command in the job log. The default pre-commit configuration includes -- and is not affected, the GitHub Action is not affected, and the lint pass or fail result is unchanged. This issue is fixed in version 0.32.0.

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade compose-lint to a version that resolves this vulnerability.

    Fixed in 0.32.0

Event History

Nov 10, 2026
CVE Published
via MITRE·04:52 PM
Data Sourced
via MITRE·04:52 PM
DescriptionWeakness

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