CVE-2026-25542
medium
CVSS v3
6.5
CVSS v2
—
VIR risk
6.5
Description
Tekton Pipelines has VerificationPolicy regex pattern bypass via substring matching
Predictions
Exploit likelihood
75%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: security-advisories@github.com — https://github.com/tektoncd/pipeline/security/advisories/GHSA-rmx9-2pp3-xhcr
Vendor advisory: security-advisories@github.com — https://github.com/tektoncd/pipeline/commit/b8905600322aa86327baae0a7c04d6cf1207362a
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Go | github.com/tektoncd/pipeline | >=0.43.0,<1.0.2 | 1.0.2 |
| Go | github.com/tektoncd/pipeline | >=1.2.0,<1.3.4 | 1.3.4 |
| Go | github.com/tektoncd/pipeline | >=1.4.0,<1.6.2 | 1.6.2 |
| Go | github.com/tektoncd/pipeline | >=1.7.0,<1.9.3 | 1.9.3 |
| Go | github.com/tektoncd/pipeline | >=1.10.0,<1.11.1 | 1.11.1 |
| GO | github.com/tektoncd/pipeline | >= 1.10.0, < 1.11.1 | 1.11.1 |
| GO | github.com/tektoncd/pipeline | >= 1.7.0, < 1.9.3 | 1.9.3 |
| GO | github.com/tektoncd/pipeline | >= 1.4.0, < 1.6.2 | 1.6.2 |
| GO | github.com/tektoncd/pipeline | >= 1.2.0, < 1.3.4 | 1.3.4 |
| GO | github.com/tektoncd/pipeline | >= 0.43.0, < 1.0.2 | 1.0.2 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| linuxfoundation | tekton_pipelines | {"startIncluding":"0.43.0","endExcluding":"1.11.0"} | 1.11.0 |
References
- https://github.com/tektoncd/pipeline/commit/b8905600322aa86327baae0a7c04d6cf1207362a
- https://github.com/tektoncd/pipeline/security/advisories/GHSA-rmx9-2pp3-xhcr
- https://nvd.nist.gov/vuln/detail/CVE-2026-25542
- https://github.com/tektoncd/pipeline/commit/2c398711e6e9e232180508f0648425a8ea34dc9e
- https://github.com/tektoncd/pipeline
- https://github.com/tektoncd/pipeline/releases/tag/v1.11.0
- https://github.com/advisories/GHSA-rmx9-2pp3-xhcr
CWEs
CWE-185
Verify integrity in audit chain (admin only). AS-IS.