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CVE-2026-64653

GitHub CLI: Unescaped variable components in request URLs could allow path traversal

MEDIUM
5.1
CVSS Score
Published: August 6, 2026 at 05:51 PM UTC
Updated: September 10, 2026 at 08:48 PM UTC
1 product affected across 1 vendorCli

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Severity
MEDIUM5.1
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Cli· Cli
60%
v < 2.97.0
Affected range stops below 2.97.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (3)

x_refsource_MISC
Source: [email protected]
https://github.com/cli/cli/commit/0c2eea6338a2323cfff000160b9b5a56a38d2a06
x_refsource_MISC
Source: [email protected]
https://github.com/cli/cli/releases/tag/v2.97.0
x_refsource_CONFIRM
Source: [email protected]
https://github.com/cli/cli/security/advisories/GHSA-4fjg-2h4q-fwg3

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.1MEDIUMGitHub_M
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-22

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