Command injection in kitty - CVE-2026-72913
Published: August 1, 2026 / Updated: September 14, 2026
Vulnerability identifier: #VU140702
CSH Severity: High
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-72913
CWE-ID: CWE-77
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary commands.
The vulnerability exists due to command injection in the @kitty-echo and @kitty-ssh DCS handlers when processing untrusted DCS escape sequences. A remote attacker can send specially crafted escape sequences to execute arbitrary commands.
User interaction is required to display or cat untrusted data in a vulnerable terminal session.
Affected software
kitty
How to mitigate CVE-2026-72913
Install security update from vendor's website.
kitty - update to 0.48.2