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    CVE-2026-54057

    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.

    Published:Jun 12, 2026
    Last Modified:Jun 16, 2026
    EPS:Jun 12, 2026
    EPSS Score:0.00128
    CVSS Score:7.8

    Affected Products

    Vendor
    Kovidgoyal
    Product
    Kitty

    Exploits

    https://github.com/kovidgoyal/kitty/security/advisories/GHSA-5gmr-9gwg-hhq6https://github.com/kovidgoyal/kitty/security/advisories/GHSA-5gmr-9gwg-hhq6

    Related CVEs

    CVE-2026-72913 (CVSS 7.3) — Kitty is a cross-platform GPU based terminal. Prior to 0.48.2, the @kitty-echo and @kitty-ssh DCS handlers in …
    CVE-2026-54056 (CVSS 7.6) — Kitty is a cross-platform GPU based terminal. In versions 0.47.0 and 0.47.1, `kitten dnd` can allow a maliciou…
    CVE-2026-54055 (CVSS 5) — Kitty is a cross-platform GPU based terminal. In versions prior to 0.47.2, a local privilege escalation vulner…
    CVE-2026-42851 (CVSS 7.8) — Kitty is a cross-platform GPU based terminal. In versions prior to 0.47.0, a program able to write bytes to a …
    CVE-2026-42850 (CVSS 7.4) — Kitty is a cross-platform GPU based terminal. In versions prior to 0.47.0, it is possible to inject commands w…
    CVE-2026-33642 (CVSS 9.9) — Kitty is a cross-platform GPU based terminal. In versions 0.46.2 and below, the handle_compose_command() funct…
    CVE-2026-33633 (CVSS 7.5) — Kitty is a cross-platform GPU based terminal. Versions 0.46.2 and below contain a heap buffer overflow in load…
    CVE-2025-43929 (CVSS 4.1) — open_actions.py in kitty before 0.41.0 does not ask for user confirmation before running a local executable fi…
    CVE-2020-35605 (CVSS 9.8) — The Graphics Protocol feature in graphics.c in kitty before 0.19.3 allows remote attackers to execute arbitrar…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High