{
  "cveId": "CVE-2026-5223",
  "url": "https://patchblox.com/security/cve/CVE-2026-5223",
  "summary": "CVE-2026-5223 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2026-5223, released May 25, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "Crates in third party registries can override the cached source of other crates",
  "description": "Cargo incorrectly handled symlinks inside of crate tarballs downloaded from third-party registries, allowing a malicious crate to override the source code of another crate from the same registry.\u00A0The severity of the vulnerability is **medium** for users of third-party registries. Users of crates.io are **not affected**, as crates.io forbids uploading crates containing any symlink.",
  "published": "2026-05-25T10:16:15Z",
  "severity": "Low",
  "cvss": 5.3,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
  "cwe": "UNIX Symbolic Link (Symlink) Following",
  "epss": 0.00294,
  "epssPercentile": 0.22217,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-5223",
  "fixes": [
    {
      "platform": "linux",
      "product": "rust-cargo",
      "release": "Debian 14",
      "fixedVersion": "0.91.0-3",
      "fix": "DEBIAN-CVE-2026-5223",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-5223",
      "released": "2026-05-25T10:16:15Z"
    },
    {
      "platform": "linux",
      "product": "rustc",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "1.85.1\u002Bdfsg1-1\u002Bdeb13u1",
      "fix": "DEBIAN-CVE-2026-5223",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-5223",
      "released": "2026-05-25T10:16:15Z"
    },
    {
      "platform": "linux",
      "product": "rustc",
      "release": "Debian 14",
      "fixedVersion": "1.95.0\u002Bdfsg1-2",
      "fix": "DEBIAN-CVE-2026-5223",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-5223",
      "released": "2026-05-25T10:16:15Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}