CVE-2026-54057 | BDVDB-2026-340102 Detail

kovidgoyalkitty

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.

Impact#

Per CVSS v4.0: confidentiality impact high, integrity impact high, availability impact high. Attack vector: local.

Weaknesses#

CWE-94 Improper Control of Generation of Code ('Code Injection')
CWE-150 Improper Neutralization of Escape, Meta, or Control Sequences

References#

https://github.com/kovidgoyal/kitty/security/advisories/GHSA-5gmr-9gwg-hhq6

Exploit#

No public exploit known

History#

Version 12026-06-12Record published in the CVE List.
Version 22026-06-16Most recent update recorded in the CVE List.

Published

Published: 2026-06-12
Last modified: 2026-06-16

Vendor information

Vendor: kovidgoyal
Product: kitty

All kovidgoyal vulnerabilities

Score

7.3 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 6.6.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Code Injection

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 0.47.3
Fixed
Not stated

Scoring System

CVSS v4.0

7.3 High

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

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Attack Requirements	Present
Privileges Required	None
User Interaction	Passive
Vulnerable System Confidentiality	High
Vulnerable System Integrity	High
Vulnerable System Availability	High
Subsequent System Confidentiality	None
Subsequent System Integrity	None
Subsequent System Availability	None

CVSS v3.1

Not available

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).