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GHSA-739f-hw6h-7wq8

HIGH

GHSA-739f-hw6h-7wq8 is a high-severity (CVSS 7.1) CWE-347 vulnerability in github.com/sigstore/policy-controller. O3 Security confirms whether GHSA-739f-hw6h-7wq8 is actually reachable in your code before you act, and blocks exploitation at runtime until you patch.

PolicyController before 0.2.1 may bypass attestation verification

Also known asCVE-2022-35930GO-2022-0759
Published
Aug 10, 2022
Updated
Feb 4, 2026
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed

Blast Radius

1 pkg affected
🐹github.com/sigstore/policy-controller

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Go packages — download data is not available via public APIs for these ecosystems.

Description

PolicyController will report a false positive, resulting in an admission when it should not be admitted when:

  • There is at least one attestation with a valid signature
  • There are NO attestations of the type being verified (--type defaults to "custom")

Users should upgrade to cosign version 0.2.1 or greater for a patch. There are no known workarounds at this time.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🐹Gogithub.com/sigstore/policy-controllerall versions0.2.1

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for github.com/sigstore/policy-controller. O3's reachability analysis confirms whether the vulnerable code path is actually invoked in your application, so you act on real exposure instead of every transitive match.

  2. Fix

    Update github.com/sigstore/policy-controller to 0.2.1 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-739f-hw6h-7wq8 is resolved across your whole dependency graph.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

  4. How O3 protects you

    O3 pinpoints whether GHSA-739f-hw6h-7wq8 is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.

Tailored to GHSA-739f-hw6h-7wq8. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

PolicyController will report a false positive, resulting in an admission when it should not be admitted when: * There is at least one attestation with a valid signature * There are NO attestations of the type being verified (--type defaults to "custom") Users should upgrade to cosign version 0.2.1 or greater for a patch. There are no known workarounds at this time.
O3 Security · Impact-Aware SCA

Is GHSA-739f-hw6h-7wq8 in your dependencies?

O3 detects GHSA-739f-hw6h-7wq8 across Go dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.