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Vulnerability record · CVE-2026-72913 · published 10 August 2026

CVE-2026-72913: Command injection vulnerability

Kitty is a cross-platform GPU based terminal. Prior to 0.48.2, the @kitty-echo and @kitty-ssh DCS handlers in kitty/window.py write unauthenticated data to the child shell's stdin, where handle_remote_echo accepts printable shell command characters and handle_remote_ssh calls get_ssh_data in kittens/ssh/utils.py, which emits a newline; chaining the handlers can execute attacker-controlled commands when a user displays untrusted terminal data. This issue is fixed in version 0.48.2.

7.3 CVSS 4.0 High EPSS 0.21% · top 90.2% CWE-77 · Command injectionCWE-93 · CWE-93 Deferred
7.3CVSS 4.0 base score
0.21%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
5References
9 Sep 2026Last modified by NVD

Description

Kitty is a cross-platform GPU based terminal. Prior to 0.48.2, the @kitty-echo and @kitty-ssh DCS handlers in kitty/window.py write unauthenticated data to the child shell's stdin, where handle_remote_echo accepts printable shell command characters and handle_remote_ssh calls get_ssh_data in kittens/ssh/utils.py, which emits a newline; chaining the handlers can execute attacker-controlled commands when a user displays untrusted terminal data. This issue is fixed in version 0.48.2.

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:

References

LinkTags
https://github.com/kovidgoyal/kitty/commit/9dca948e9bec3c926ab3370f2cd10f9b9b10821f
https://github.com/kovidgoyal/kitty/releases/tag/v0.48.2
https://github.com/kovidgoyal/kitty/security/advisories/GHSA-ccp2-q4v6-rw94
https://sw.kovidgoyal.net/kitty/changelog/#id1
https://github.com/kovidgoyal/kitty/security/advisories/GHSA-ccp2-q4v6-rw94

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Source: NIST National Vulnerability Database (record CVE-2026-72913), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.