{
  "cveId": "CVE-2026-34763",
  "url": "https://patchblox.com/security/cve/CVE-2026-34763",
  "summary": "CVE-2026-34763 is fixed in 2 products on 1 platform, first by ruby-rack 3.2.4-1ubuntu1.1, released April 2, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "ruby-rack: Rack is a modular Ruby web server interface",
  "description": "Rack is a modular Ruby web server interface. Prior to versions 2.2.23, 3.1.21, and 3.2.6, Rack::Directory interpolates the configured root path directly into a regular expression when deriving the displayed directory path. If root contains regex metacharacters such as \u002B, *, or ., the prefix stripping can fail and the generated directory listing may expose the full filesystem path in the HTML output. This issue has been patched in versions 2.2.23, 3.1.21, and 3.2.6.",
  "published": "2026-04-02T10:16:00Z",
  "severity": "medium",
  "cvss": 5.3,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
  "epss": 0.0025,
  "epssPercentile": 0.16428,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "rmt-server",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "3.1.0-160000.1.1",
      "fix": "OPENSUSE-SU-2026:21640-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21640-1",
      "released": "2026-08-25T06:34:56Z"
    },
    {
      "platform": "linux",
      "product": "rmt-server",
      "release": "sles 15.6",
      "fixedVersion": "2.27-150500.3.47.1",
      "fix": "SUSE-SU-2026:2487-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-2487-1",
      "released": "2026-06-22T12:08:31Z"
    },
    {
      "platform": "linux",
      "product": "rmt-server",
      "release": "sles 16.0",
      "fixedVersion": "3.1.0-160000.1.1",
      "fix": "SUSE-SU-2026:23321-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-23321-1",
      "released": "2026-08-25T06:34:19Z"
    },
    {
      "platform": "linux",
      "product": "ruby-rack",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "2.2.22-0\u002Bdeb12u2",
      "fix": "DEBIAN-CVE-2026-34763",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-34763",
      "released": "2026-04-02T17:16:24Z"
    },
    {
      "platform": "linux",
      "product": "ruby-rack",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "3.1.20-0\u002Bdeb13u2",
      "fix": "DEBIAN-CVE-2026-34763",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-34763",
      "released": "2026-04-02T17:16:24Z"
    },
    {
      "platform": "linux",
      "product": "ruby-rack",
      "release": "Debian 14",
      "fixedVersion": "3.2.6-2",
      "fix": "DEBIAN-CVE-2026-34763",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-34763",
      "released": "2026-04-02T17:16:24Z"
    },
    {
      "platform": "linux",
      "product": "ruby-rack",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.6.4-4ubuntu0.2\u002Besm10",
      "fix": "ruby-rack 1.6.4-4ubuntu0.2\u002Besm10",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-ruby-rack-1.6.4-4ubuntu0.2-esm10",
      "released": "2026-04-30T14:05:58Z"
    },
    {
      "platform": "linux",
      "product": "ruby-rack",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2.1.4-5ubuntu1.2\u002Besm3",
      "fix": "ruby-rack 2.1.4-5ubuntu1.2\u002Besm3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-ruby-rack-2.1.4-5ubuntu1.2-esm3",
      "released": "2026-04-30T14:06:06Z"
    },
    {
      "platform": "linux",
      "product": "ruby-rack",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "2.2.7-1ubuntu0.7",
      "fix": "ruby-rack 2.2.7-1ubuntu0.7",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-ruby-rack-2.2.7-1ubuntu0.7",
      "released": "2026-04-30T14:06:10Z"
    },
    {
      "platform": "linux",
      "product": "ruby-rack",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "3.1.16-0.1ubuntu0.3",
      "fix": "ruby-rack 3.1.16-0.1ubuntu0.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-ruby-rack-3.1.16-0.1ubuntu0.3",
      "released": "2026-04-30T14:06:15Z"
    },
    {
      "platform": "linux",
      "product": "ruby-rack",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "3.2.4-1ubuntu1.1",
      "fix": "ruby-rack 3.2.4-1ubuntu1.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-ruby-rack-3.2.4-1ubuntu1.1",
      "released": "2026-04-02T11:16:00Z"
    }
  ],
  "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"
  }
}