USN-8763-1: kitty Ubuntu
Vulnerability summary
USN-8763-1 is a vulnerability in kitty Ubuntu with no CVSS score yet.
Advisory lineage
Upstream 4 · Downstream 0 · Related 4Timeline
- 15-09-2026PublishedVulnerability first disclosed.
- 16-09-2026Last modifiedVulnerability information updated.
Description
kitty vulnerabilities It was discovered that kitty incorrectly escaped error messages when handling specially crafted terminal escape sequences. A remote attacker could possibly use this issue to execute arbitrary commands. (CVE-2026-42850) It was discovered that kitty incorrectly handled remote edit requests in terminal output. An attacker could possibly use this issue to execute arbitrary code with the user's privileges. (CVE-2026-42851) Thai Son Dinh and Nguyen Huy Vu Dung discovered that kitty incorrectly handled destination paths in its file transmission protocol. A local attacker could possibly use this issue to overwrite arbitrary files with the user's privileges. (CVE-2026-54055) It was discovered that kitty incorrectly sanitized responses to color queries. An attacker could possibly use this issue to execute arbitrary commands with the user's privileges. This issue only affected Ubuntu 26.04 LTS. (CVE-2026-54057)
CVSS metrics
Risk metrics not yet published.
EPSS trend
No EPSS score has been published for this record yet.
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Ubuntu1 product
- kitty< 0.32.2-1ubuntu0.4+esm2 | < 0.45.0-1ubuntu0.1~esm2
1 vendor · 1 product