CVE-2026-54057

HIGH

Kitty vulnerable to command injection via unsanitized OSC 21 query reply

Title source: cna
STIX 2.1

Description

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.

References (1)

Core 1
Core References

Scores

CVSS v3 7.8
EPSS 0.0017
EPSS Percentile 6.3%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-150 CWE-94
Status published
Products (1)
kovidgoyal/kitty < 0.47.3 (2 CPE variants)
Published Jun 12, 2026
Tracked Since Jun 13, 2026