Bug 2512320 (CVE-2026-64653)

Summary: CVE-2026-64653 github.com/cli/cli: GitHub CLI: Path traversal via unescaped URL variables
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: anjoseph, eglynn, jjoyce, jprabhak, jpretori, jschluet, lhh, mburns, mgarciac, wtam
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in GitHub CLI. This vulnerability arises from the tool's failure to properly percent-encode variable path components in HTTP request URLs. An attacker could craft malicious repository or resource values containing URL path metacharacters. This could lead to the GitHub CLI addressing a different API endpoint or resource than intended, potentially resulting in unintended actions or information exposure.
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Description OSIDB Bzimport 2026-08-06 22:29:26 UTC 
GitHub CLI (gh) is GitHub’s official command line tool. Prior to 2.97.0, some HTTP request URLs interpolate variable path components without percent encoding, allowing URL path metacharacters in attacker-controlled repository or resource values to make gh address a different API endpoint or resource than the user intended. This issue is fixed in version 2.97.0.