Description
open_actions.py in kitty before 0.41.0 does not ask for user confirmation before running a local executable file that may have been linked from an untrusted document (e.g., a document opened in KDE ghostwriter).
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| kitty project | kitty | < 0.41.0 | 0.41.0 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | kitty | 0.41.1-1 | — |
| Debian 13 | kitty | 0.41.1-1 | — |
| Debian 12 | kitty | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 25.10 | kitty | No fix yet | — |
| Ubuntu 24.04 LTS | kitty | No fix yet | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
GitHub 1 repository
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0xBenCantCode/CVE-2025-43929 ★ 0 · Apr 20, 2025
High severity vulnerability in KiTTY allowing for local executables to be ran without user confirmation under certain circumstances.
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.