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Vulnerabilities / CVE-2026-33211

critical

CVE-2026-33211

Tekton Pipelines: github.com/tektoncd/pipeline: Tekton Pipelines: Information disclosure via path traversal in git resolver

Published Modified CWE 22
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.6CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
GHSA9.6CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
Red Hat9.6CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N

Trivy's own label is CRITICAL. Rated critical by NVD, GHSA. Rated lower by Red Hat (high).

Description

Tekton Pipelines project provides k8s-style resources for declaring CI/CD-style pipelines. Starting in version 1.0.0 and prior to versions 1.0.1, 1.3.3, 1.6.1, 1.9.2, and 1.10.2, the Tekton Pipelines git resolver is vulnerable to path traversal via the `pathInRepo` parameter. A tenant with permission to create `ResolutionRequests` (e.g. by creating `TaskRuns` or `PipelineRuns` that use the git resolver) can read arbitrary files from the resolver pod's filesystem, including ServiceAccount tokens. The file contents are returned base64-encoded in `resolutionrequest.status.data`. Versions 1.0.1, 1.3.3, 1.6.1, 1.9.2, and 1.10.2 contain a patch.

Affected packages and fixed versions

SourcePackageFixed in
go::GitHub Security Advisory Gogithub.com/tektoncd/pipeline1.0.1, 1.3.3, 1.6.1, 1.9.2, 1.10.2
chainguardtekton-chains, tekton-chains-fips, tekton-pipelines-1.3 and 5 more0.26.2-r4 and 6 more
wolfitekton-chains, tkn0.26.2-r4 and 1 more
Show all 11 entries from 3 sources
SourcePackageFixed in
go::GitHub Security Advisory Gogithub.com/tektoncd/pipeline1.0.1, 1.3.3, 1.6.1, 1.9.2, 1.10.2
chainguardtekton-chains0.26.2-r4
chainguardtekton-chains-fips0.26.2-r5
chainguardtekton-pipelines-1.31.3.3-r0
chainguardtekton-pipelines-1.41.4.0-r19
chainguardtekton-pipelines-1.91.9.2-r0
chainguardtekton-pipelines-fips-1.71.7.0-r14
chainguardtkn0.44.0-r4
chainguardtkn-fips0.44.0-r4
wolfitekton-chains0.26.2-r4
wolfitkn0.44.0-r4

References

All 24 references

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.