CVE-2026-33211 — Tekton Pipelines git resolver has path traversal that allows reading arbitrary files from the resolver pod

Affected: tektoncd pipeline, Red Hat Builds for Red Hat OpenShift 1.6.0, Red Hat OpenShift Builds 1.7.3, Red Hat OpenShift Pipelines 1.2, Red Hat OpenShift Pipelines 1.21, Red Hat Trusted Artifact Signer 1.3, Red Hat Builds for Red Hat OpenShift, Red Hat OpenShift Pipelines, Red Hat OpenShift Serverless, Red Hat OpenShift AI (RHOAI) and 1 more

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.

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CVE-2026-33211 — Tekton Pipelines git resolver has path traversal that allows reading arbitrary files from the resolver pod