CVE-2026-54057: high-severity vulnerability in kovidgoyal kitty
Kitty vulnerable to command injection via unsanitized OSC 21 query reply
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.3epss 0.2%
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.
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
Affected products
kovidgoyal · kittyRelated CVEs — kovidgoyal kitty
In the same product, most dangerous first.
CVE-2026-33633HIGHKitty has a Heap Buffer Overflow in its Graphics Protocol HandlerEPSS 0.4%CVE-2026-42850HIGHKitty has a shell command injectionEPSS 0.3%CVE-2026-33642CRITICALKitty has a Heap Buffer Over-Read/Write via Integer Overflow in compose_rectangles Bounds CheckEPSS 0.3%CVE-2026-54056HIGHKitty has an arbitrary file overwrite via symlink following in `kitten dnd` remote drop stagingEPSS 0.3%CVE-2026-72913HIGHKitty: Command injection into the child shell via chained @kitty-echo + @kitty-ssh DCS escape sequencesEPSS 0.2%CVE-2026-42851HIGH@kitty-edit DCS + --color=geninclude vulnerable to Unauthenticated in-process RCEEPSS 0.2%