CVE-2026-54057

HIGH CVSS 4.0: 7.3 EPSS 0.17%
Updated Jun 17, 2026
Kovidgoyal
Parameter Value
CVSS 7.3 (HIGH)
Affected Versions before 0.47.3
Fixed In 0.47.3
Type CWE-150, CWE-94 (Code Injection)
Vendor Kovidgoyal
Public PoC No

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.

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Attack Requirements
Present
Additional conditions required
Privileges Required
None
No privileges needed
User Interaction
Passive
Minimal interaction

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v4.0

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Kovidgoyal Kitty
cpe:2.3:a:kovidgoyal:kitty:*:*:*:*:*:*:*:*
0.47.3