CVE-2026-54057

Kitty is a cross-platform GPU based terminal. In versions prior to 0.47.3, kitty's OSC 21 (color-control) query reply reflects attacker-controlled bytes, including newlines, into the shell's input without sanitization. Version 0.47.3 fixes the issue.

Score

CVSS 3.1 7.8 High

Status

Analyzed - security-advisories@github.com

Published

2026-06-12

Last modified

2026-10-25

Weaknesses

CWE-150, CWE-94

Affected products

• Kitty (Kovidgoyal)

References

• https://github.com/kovidgoyal/kitty/security/advisories/GHSA-5gmr-9gwg-hhq6