SB2026080120 - Command injection in kitty
Published: August 1, 2026
Security Bulletin ID
SB2026080120
CSH Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Command injection (CVE-ID: N/A)
CWE-ID: CWE-77 - Command injection
CVSSv4: 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/E:U/U:Amber
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.
Remediation
Install update from vendor's website.