CVE-2026-54057 HIGH

CVE-2026-54057: Kitty vulnerable to command injection via unsanitized OSC 21 query reply

Vendor Kovidgoyal
Product kitty
Weakness CWE-94 · Code injection
Published June 12, 2026
Last update June 16, 2026
View on NVD All CVEs

CVSS base score

7.3/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction —
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

June 12, 2026 CVE published
June 16, 2026 Record updated