kitty: Kitty is a cross-platform GPU based terminal
CVE-2026-54057 is fixed in 3 products on 1 platform, first by kitty 0.45.0-1ubuntu0.1~esm2, released June 12, 2026. It is not reported as exploited. Patch Radar priority: High.
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| kitty · Debian 13.5 (trixie) | 0.41.1-2+deb13u2 | DEBIAN-CVE-2026-54057 | Jun 24, 2026 |
| kitty · Debian 14 | 0.47.3-1 | DEBIAN-CVE-2026-54057 | Jun 24, 2026 |
| kitty · Ubuntu 26.04.1 LTS (resolute) | 0.45.0-1ubuntu0.1~esm2 | kitty 0.45.0-1ubuntu0.1~esm2 | Jun 12, 2026 |
| kitty · opensuse-leap 16.0 | 0.48.2-bp160.1.1 | OPENSUSE-SU-2026:21599-1 | Aug 18, 2026 |
| kitty-shell-integration · Ubuntu 26.04.1 LTS (resolute) | 0.45.0-1ubuntu0.1~esm2 | kitty-shell-integration 0.45.0-1ubuntu0.1~esm2 | Jun 12, 2026 |
| kitty-terminfo · Ubuntu 26.04.1 LTS (resolute) | 0.45.0-1ubuntu0.1~esm2 | kitty-terminfo 0.45.0-1ubuntu0.1~esm2 | Jun 12, 2026 |
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