CVE-2026-72913

Kitty: Command injection into the child shell via chained @kitty-echo + @kitty-ssh DCS escape sequences

HIGH
7.3
CVSS Score
Published: August 10, 2026 at 09:07 PM UTC
Updated: October 23, 2026 at 07:10 PM UTC
1 product affected across 1 vendorKitty

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Severity
HIGH7.3
Exploit prediction
EPSS 0.2%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 0.48.2
Affected range stops below 0.48.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCPoCAutomatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.3HIGHGitHub_M
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-77CWE-93CWE-150

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