High [CVE-2026-54167] github.com/openshift-pipelines/pipelines-as-code: Pipelines-as-Code: GitHub App token redirection via untrusted host header
This high-severity Red Hat Linux advisory covers CVE-2026-54167; related products: OpenShift Pipelines, Red Hat Web Terminal.
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Summary
github.com/openshift-pipelines/pipelines-as-code: Pipelines-as-Code: GitHub App token redirection via untrusted host header. Red Hat rates this important (CVSS 8.2).
Weakness: CWE-345.
Affected products named by the advisory: Red Hat Web Terminal.
- < 0.37.8
- < 0.39.6
- < 0.42.1
- < 0.48.0
Official advisory · high-confidence parse· fetched 13 days ago·verify at source
- 0.37.8
- 0.39.6
- 0.42.1
- 0.48.0
Official advisory · high-confidence parse· fetched 13 days ago·verify at source
Mitigation checklist
- Until a patched release is deployed, block or strip unexpected X-GitHub-Enterprise-Host headers at the ingress or proxy in front of the Pipelines-as-Code webhook endpoint. For GitHub.com installations, reject requests containing this header; for GitHub Enterprise Server, permit only the expected hostname. Restrict webhook access to trusted Git provider sources where possible, and rotate the GitHub App private key if compromise is suspected.
Official advisory · high-confidence parse· fetched 13 days ago·verify at source
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