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CVE-2026-125122VulnerabilityPublished

compose-lint: Text

Affects compose-lintSource GCVE Database

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Authoritative record:CVE-2026-125122· Low 2.3

Not known to be exploited · CVSS 2.3 Low : upgrade to 0.32.0 when convenient.

Data as of 10 Nov 2026, 22:36 UTC

CVSS 4.0 base score
2.3Low
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (GitHub_M)CVSS 4.02.3
Patch
Available – fixed in 0.32.0
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 10 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 10 Nov 2026.

What to do

Upgrade compose-lint to 0.32.0.

Affected software

ProductAffectedFixed in
PyPIcompose-lintAffected
  • >=0.31.0 <0.32.0
  • =0.31.0
Fixed in
  • 0.32.0

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Upgrade compose-lint to version 0.32.0 or later, where the issue is fixed. Alternatively, configure CI to write JSON or SARIF output to files instead of printing to stdout logs. On GitHub Actions, use the 'tmatens/compose-lint' Action or bracket the compose-lint step with '::stop-commands::<token>' and '::<token>::' to disable command processing during execution.

Description

compose-lint versions 0.31.0 up to but not including 0.32.0 allow specially crafted text in a pull request to inject GitHub Actions workflow commands via JSON or SARIF output printed to stdout. This can cause the CI runner to create annotations, fold logs, or execute other accepted commands without changing the pass/fail result. The issue does not affect output written to files or the official GitHub Action, which disables command processing around compose-lint runs. The vulnerability is fixed in version 0.32.0.

References

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