{
  "cveId": "CVE-2026-19880",
  "url": "https://patchblox.com/security/cve/CVE-2026-19880",
  "summary": "CVE-2026-19880 is fixed in logback on 1 platform by DEBIAN-CVE-2026-19880 (version 1:1.6.3-1), released August 14, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "logback: Path-traversal vulnerability in QOS.CH Sarl Logback-classic on Java (logback-classic module) allows path-traversal vu...",
  "description": "Path-traversal vulnerability in QOS.CH Sarl Logback-classic on Java (logback-classic module) allows path-traversal vulnerability. More specifically, an  MDC-based discriminator value flows unsanitized into a nested  FileAppender path, letting an attacker who influences that MDC value  (e.g. via an HTTP header)  create and append log files outside the intended directory.    This issue affects Logback-classic: from 0.9.14 through 1.6.2.",
  "published": "2026-08-14T15:17:09Z",
  "severity": "",
  "epss": 0.00332,
  "epssPercentile": 0.26556,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "logback",
      "release": "Debian 14",
      "fixedVersion": "1:1.6.3-1",
      "fix": "DEBIAN-CVE-2026-19880",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-19880",
      "released": "2026-08-14T15:17:09Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T19:12:23Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}