Answer in brief
CVE-2026-54167 records a High severity (CVSS 8.2) vulnerability in Pipelines-as-Code GitHub App token request can be redirected via untrusted Enterprise Host header. The current sources do not mark it as known exploited. The current feed maps tektoncd/pipelines-as-code (generic), github.com/openshift-pipelines/pipelines-as-code (go), github.com/openshift-pipelines/pipelines-as-code (go), github.com/openshift-pipelines/pipelines-as-code (go) and additional mapped packages. Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 8.2. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps tektoncd/pipelines-as-code (generic), github.com/openshift-pipelines/pipelines-as-code (go), github.com/openshift-pipelines/pipelines-as-code (go), github.com/openshift-pipelines/pipelines-as-code (go) and additional mapped packages. Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| tektoncd/pipelines-as-codegeneric | <0.37.8 || >=0.38.0 <0.39.6 || >=0.40.0 <0.42.1 || >=0.43.0 <0.48.0 | 0.37.8, 0.39.6, 0.42.1, 0.48.0 |
| github.com/openshift-pipelines/pipelines-as-codego | >=0.43.0 <0.48.0 | 0.48.0 |
| github.com/openshift-pipelines/pipelines-as-codego | >=0.40.0 <0.42.1 | 0.42.1 |
| github.com/openshift-pipelines/pipelines-as-codego | >=0.38.0 <0.39.6 | 0.39.6 |
| github.com/openshift-pipelines/pipelines-as-codego | >=0 <0.37.8 | 0.37.8 |
| github.com/openshift-pipelines/pipelines-as-codego | >=0.43.0,<0.48.0 | 0.48.0 |
| github.com/openshift-pipelines/pipelines-as-codego | >=0.40.0,<0.42.1 | 0.42.1 |
| github.com/openshift-pipelines/pipelines-as-codego | >=0.38.0,<0.39.6 | 0.39.6 |
| github.com/openshift-pipelines/pipelines-as-codego | <0.37.8 | 0.37.8 |
| github.com/openshift-pipelines/pipelines-as-codego | >=0 <0.37.8 >=0.38.0 <0.39.6 >=0.40.0 <0.42.1 >=0.43.0 <0.48.0 | 0.37.8, 0.39.6, 0.42.1, 0.48.0 |
Published upstream
Sep 15, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Sep 30, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 20, 2026
Pipelines-as-Code is a CI/CD system that lets users define Tekton pipelines in source code repositories. Prior to 0.37.8, 0.39.6, 0.42.1, and 0.48.0, the GitHub App provider accepts X-GitHub-Enterprise-Host as the API host while processing webhook events containing an installation.id, before webhook signature validation or confirmation that the host matches the repository URL in the signed payload. An unauthenticated attacker who can reach the webhook endpoint can select an attacker-controlled host and cause the controller to send a locally signed GitHub App JWT to that service. The exposed JWT may be used to attempt to mint installation access tokens during its validity window, subject to the GitHub App installation and permissions. The incoming webhook installation-lookup path is also affected, but exploitation of that path requires the valid incoming webhook secret for the target Repository CR. This issue is fixed in versions 0.37.8, 0.39.6, 0.42.1, and 0.48.0.
Quoted source text, attributed separately from HOL analysis.