{
  "cveId": "CVE-2026-42851",
  "url": "https://patchblox.com/security/cve/CVE-2026-42851",
  "summary": "CVE-2026-42851 is fixed in 3 products on 1 platform, first by kitty 0.32.2-1ubuntu0.4\u002Besm2, released June 12, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "kitty: Kitty is a cross-platform GPU based terminal",
  "description": "Kitty is a cross-platform GPU based terminal. In versions prior to 0.47.0, a program able to write bytes to a kitty terminal \u2014 a remote SSH peer, a downloaded file viewed with \u0060cat\u0060, a log line, an email body rendered in \u0060less\u0060, an issue body in a TUI, etc. \u2014 can cause kitty to execute attacker-supplied Python inside the running kitty process, with the user\u0027s full privileges. There is no approval prompt, no remote-control permission requirement, no shell-integration interaction, no clipboard touch, and no editor interaction. Version 0.47.0 fixes the issue.",
  "published": "2026-06-12T13:16:00Z",
  "severity": "high",
  "cvss": 7.8,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
  "epss": 0.00164,
  "epssPercentile": 0.05681,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "kitty",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "0.41.1-2\u002Bdeb13u2",
      "fix": "DEBIAN-CVE-2026-42851",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-42851",
      "released": "2026-06-24T14:07:24Z"
    },
    {
      "platform": "linux",
      "product": "kitty",
      "release": "Debian 14",
      "fixedVersion": "0.47.0-1",
      "fix": "DEBIAN-CVE-2026-42851",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-42851",
      "released": "2026-06-24T14:07:24Z"
    },
    {
      "platform": "linux",
      "product": "kitty",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "0.32.2-1ubuntu0.4\u002Besm2",
      "fix": "kitty 0.32.2-1ubuntu0.4\u002Besm2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-kitty-0.32.2-1ubuntu0.4-esm2",
      "released": "2026-06-12T13:16:00Z"
    },
    {
      "platform": "linux",
      "product": "kitty",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "0.45.0-1ubuntu0.1~esm2",
      "fix": "kitty 0.45.0-1ubuntu0.1~esm2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-kitty-0.45.0-1ubuntu0.1-esm2",
      "released": "2026-06-12T14:16:00Z"
    },
    {
      "platform": "linux",
      "product": "kitty",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "0.48.2-bp160.1.1",
      "fix": "OPENSUSE-SU-2026:21599-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21599-1",
      "released": "2026-08-18T15:54:56Z"
    },
    {
      "platform": "linux",
      "product": "kitty-shell-integration",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "0.32.2-1ubuntu0.4\u002Besm2",
      "fix": "kitty-shell-integration 0.32.2-1ubuntu0.4\u002Besm2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-kitty-shell-integration-0.32.2-1ubuntu0.4-esm2",
      "released": "2026-06-12T13:16:00Z"
    },
    {
      "platform": "linux",
      "product": "kitty-shell-integration",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "0.45.0-1ubuntu0.1~esm2",
      "fix": "kitty-shell-integration 0.45.0-1ubuntu0.1~esm2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-kitty-shell-integration-0.45.0-1ubuntu0.1-esm2",
      "released": "2026-06-12T14:16:00Z"
    },
    {
      "platform": "linux",
      "product": "kitty-terminfo",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "0.32.2-1ubuntu0.4\u002Besm2",
      "fix": "kitty-terminfo 0.32.2-1ubuntu0.4\u002Besm2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-kitty-terminfo-0.32.2-1ubuntu0.4-esm2",
      "released": "2026-06-12T13:16:00Z"
    },
    {
      "platform": "linux",
      "product": "kitty-terminfo",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "0.45.0-1ubuntu0.1~esm2",
      "fix": "kitty-terminfo 0.45.0-1ubuntu0.1~esm2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-kitty-terminfo-0.45.0-1ubuntu0.1-esm2",
      "released": "2026-06-12T14:16:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T01:18:40Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}