{
  "cveId": "CVE-2026-90467",
  "url": "https://patchblox.com/security/cve/CVE-2026-90467",
  "summary": "CVE-2026-90467 is fixed in aiosmtplib on 1 platform by DEBIAN-CVE-2026-90467 (version 5.1.3-1), released September 17, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "aiosmtplib: aiosmtplib before 5.1.3 fails to properly validate email addresses supplied by callers, allowing attackers to inject...",
  "description": "aiosmtplib before 5.1.3 fails to properly validate email addresses supplied by callers, allowing attackers to inject ESMTP parameters into MAIL FROM and RCPT TO command lines. Attackers can craft malicious addresses containing spaces and angle brackets to append parameters like AUTH, NOTIFY, or ORCPT to envelope commands, forging authenticated identities or forcing delivery notifications to third parties.",
  "published": "2026-09-12T02:16:24Z",
  "severity": "",
  "epss": 0.00393,
  "epssPercentile": 0.33666,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "aiosmtplib",
      "release": "Debian 14",
      "fixedVersion": "5.1.3-1",
      "fix": "DEBIAN-CVE-2026-90467",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-90467",
      "released": "2026-09-17T18:08:56Z"
    }
  ],
  "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"
  }
}