Name: CVE-2026-54057: Improper Control of Generation of Code
Creator: Rapid7
Published: 2026-06-12T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-54057, CWE-150, CWE-94, CVSS 7.8, EPSS 0.00172

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.

CVSS Details

CVSS 4.0 Base Score: 7.3 (HIGH)
CVSS 4.0 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/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)
CVSS 3.1 Base Score: 7.8
CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Debian	—	Upgrade kitty	Aug 11, 2026	Aug 11, 2026
Ubuntu	—	Upgrade kitty (Ubuntu Pro)	Sep 16, 2026	Sep 15, 2026

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CVSS Details

Covered by Rapid7

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