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 v4 7.3
EPSS 0.0013
EPSS Percentile 2.8%
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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
Published Jun 12, 2026
Tracked Since Jun 13, 2026