CVE-2026-45803: GitHub CLI: GitHub Actions log output in `gh run view` allows terminal escape sequence injection

May 19, 2026

A security vulnerability has been identified in GitHub CLI that could allow terminal escape sequence injection when users view GitHub Actions workflow logs using gh run view --log or gh run view --log-failed.

References

github.com/advisories/GHSA-crc3-h8v6-qh57
github.com/cli/cli/security/advisories/GHSA-crc3-h8v6-qh57
nvd.nist.gov/vuln/detail/CVE-2026-45803

Code Behaviors & Features

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