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CVE-2026-64654

GitHub CLI: Terminal escape sequence injection in multiple `gh` commands

MEDIUM
5.3
CVSS Score
Published: August 6, 2026 at 06:27 PM UTC
Updated: September 10, 2026 at 08:48 PM UTC
1 product affected across 1 vendorCli

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.8%
SSVC
No known exploit

Description

GitHub CLI (gh) is GitHub's official command line tool. Prior to version 2.97.0, multiple GitHub CLI commands printed externally controlled gist, API, pull request, release, codespace, skill, or agent-task content without neutralizing terminal escape sequences. An attacker who can influence that content can embed escape sequences that are interpreted by the terminal of a user who runs an affected command, with impact ranging from cosmetic manipulation of the title or on-screen content to, on some terminal emulators, command execution. This extends the same class of issue as CVE-2026-45803—which addressed only gh run view --log—to the other affected command paths. 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/2a1409fe88d416cc85fc96fb5bc473f83ed5a054
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-3m3g-3wcr-px46

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

5.3MEDIUMGitHub_M
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-150

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