ZDF
Sign inSign up

Vulnerabilities

Vulnerability · GHSA-5xjx-3w67-w9x9

pypi-publish action revocation of CA in the chain that Sigstore uses in Trusted Publishing and Digital Attestations for PyPI

Published Oct 30, 2026 · catalog updated Oct 30, 2026 · pypi-publish action revocation of

Last checked Nov 5, 2026. A connected source was read within the last 7 days.

Open the advisory

Exploitation likelihood is not on this record for GHSA-5xjx-3w67-w9x9. A missing EPSS score is not a low risk. Compare pypi-publish action revocation of with the linked advisory before you change production.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (pypi-publish action revocation of).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
  • EPSS is missing. A missing score is not a low risk.
Severity
Critical—
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
Awaiting synchronization with FIRST
Remediation
Advisory link
Affected products
GitHub Actions pypa/gh-action-pypi-publish

### Summary The [pypi-publish action][pypi-publish] versions before 1.14.2 used to bundle the root CA trust store certificate through the distribution. It has since been removed through the bundle and the new version no longer includes them. [pypi-publish]: https://github.com/marketplace/actions/pypi-publish ### Details The -provided TLS trust store is typically used by many projects in the Python ecosystem, including Sigstore that [pypi-publish] relies on for Trusted Publishing and Digital Attestations. ### Related The external compromise is being tracked at https://emudhra.we-have-a-problem.com

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • GitHub Actions pypa/gh-action-pypi-publish0 → 1.14.3; 0 → 7245906fb61f (github.com/pypa/gh-action-pypi-publish)

How to fix GHSA-5xjx-3w67-w9x9

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

Exploitation likelihood is not on this record for GHSA-5xjx-3w67-w9x9. A missing EPSS score is not a low risk. Compare pypi-publish action revocation of with the linked advisory before you change production.

Which versions are affected?

Compare what you have installed with 0 → 1.14.3; 0 → 7245906fb61f (github.com/pypa/gh-action-pypi-publish). Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-295: Improper Certificate Validation. EPSS is not on this record yet. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 30, 2026 · GitHub Advisory Database

    Detected

    ### Summary The [pypi-publish action][pypi-publish] versions before 1.14.2 used to bundle the root CA trust store certificate through the distribution. It has since been removed through the bundle and the new version no longer includes them. [pypi-publish]: https://github.com/marketplace/actions/pypi-publish ### Details The -provided TLS trust store is typically used by many projects in the Python

  2. Oct 30, 2026 · GitHub Advisory Database

    Fix available

    pypa/gh-action-pypi-publish fixed in 1.14.3; pypa/gh-action-pypi-publish fixed in 7245906fb61f

  3. Oct 30, 2026 · GitHub Advisory Database

    Fix available

    pypa/gh-action-pypi-publish fixed in 1.14.3; 0

  4. Oct 30, 2026 · GitHub Advisory Database

    Updated

    ### Summary The [pypi-publish action][pypi-publish] versions before 1.14.2 used to bundle the root CA trust store certificate through the distribution. It has since been removed through the bundle and the new version no longer includes them. [pypi-publish]: https://github.com/marketplace/actions/pypi-publish ### Details The -provided TLS trust store is typically used by many projects in the Python

Sources

References

Freshness

Last verified in this catalog Oct 30, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • GitHub Advisory DatabaseNov 5, 2026
  • OpenSSF OSV / OSV ScannerNov 5, 2026