CVE-2026-64654: GitHub CLI: Terminal escape sequence injection in multiple `gh` commands
CSIRTS triage
- What
- Terminal escape sequence injection in multiple gh commands allows arbitrary terminal control.
- Who is affected
- Users of affected GitHub CLI versions executing gh commands with untrusted input.
- Urgency
- Severity unknown but escape sequence injection can enable code execution or credential theft via terminal manipulation.
- Action
- Update GitHub CLI to patched version that sanitizes output or properly escapes terminal sequences.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-64654
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-646540.73% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 51% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-64654 | coverage & exploitation status | NVD · CVE.org |
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