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High7.7Vendor: MediumRed Hat Linux

High [CVE-2026-40161] Information disclosure of Git API token via user-controlled serverURL

This high-severity Red Hat Linux advisory covers CVE-2026-40161 affecting openshift-builds/openshift-builds-webhook-rhel9:1780374084, openshift-builds/openshift-builds-controller-rhel9:1780373846, serve-tkn-cli.

CVE-2026-40161 Published Apr 21, 2026
CVE-2026-40161
Affected products & platforms
Red Hat LinuxUnclassified
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Summary

Information disclosure of Git API token via user-controlled serverURL. Red Hat rates this moderate (CVSS 7.7).

Weakness: CWE-918.

Affected package(s): openshift-builds/openshift-builds-webhook-rhel9:1780374084, openshift-builds/openshift-builds-controller-rhel9:1780373846, serve-tkn-cli, openshift-builds/openshift-builds-image-processing-rhel9:1780373835, openshift-builds/openshift-builds-git-cloner-rhel9:1780374151, openshift-builds/openshift-builds-rhel9-operator:1780480839.

Resolved in Red Hat advisory RHSA-2026:24484 — update the affected packages (`sudo dnf update`).

Affected products named by the advisory: Red Hat Enterprise Linux.

Affected versions
  • openshift-builds/openshift-builds-webhook-rhel9:1780374084
  • openshift-builds/openshift-builds-controller-rhel9:1780373846
  • serve-tkn-cli-1-21-serve-tkn-cli-1.21.1
  • openshift-builds/openshift-builds-image-processing-rhel9:1780373835
  • openshift-builds/openshift-builds-git-cloner-rhel9:1780374151
  • openshift-builds/openshift-builds-rhel9-operator:1780480839
  • openshift-builds/openshift-builds-waiters-rhel9:1780374228

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions
  • RHSA-2026:24484

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation checklist

Recommended fix / mitigation
  • Update the affected package(s) to the fixed version shipped in RHSA-2026:24484 (`sudo dnf update` / `yum update`).

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

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