Permissive Regular Expression Affecting github.com/tektoncd/pipeline/pkg/trustedresources package, versions >=0.43.0 <1.0.2>=1.1.0 <1.3.4>=1.4.0 <1.6.2>=1.7.0 <1.9.3>=1.10.0 <1.11.1
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-GOLANG-GITHUBCOMTEKTONCDPIPELINEPKGTRUSTEDRESOURCES-16208804
- published24 Apr 2026
- disclosed21 Apr 2026
- creditUnknown
Introduced: 21 Apr 2026
CVE-2026-25542 Â (opens in a new tab)How to fix?
Upgrade github.com/tektoncd/pipeline/pkg/trustedresources to version 1.0.2, 1.3.4, 1.6.2, 1.9.3, 1.11.1 or higher.
Overview
Affected versions of this package are vulnerable to Permissive Regular Expression in the VerificationPolicy module when matchin refSource.URITekton. An attacker can alter verification modes or keys and potentially compromise the integrity of CI/CD pipelines by supplying resources source string that embeds a trusted substring.