{
  "cveId": "CVE-2026-33711",
  "url": "https://patchblox.com/security/cve/CVE-2026-33711",
  "summary": "CVE-2026-33711 is fixed in 10 products on 1 platform, first by DEBIAN-CVE-2026-33711, released March 26, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "incus: Incus is a system container and virtual machine manager",
  "description": "Incus is a system container and virtual machine manager. Incus provides an API to retrieve VM screenshots. That API relies on the use of a temporary file for QEMU to write the screenshot to which is then picked up and sent to the user prior to deletion. As versions prior to 6.23.0 use predictable paths under /tmp for this, an attacker with local access to the system can abuse this mechanism by creating their own symlinks ahead of time. On the vast majority of Linux systems, this will result in a \u0022Permission denied\u0022 error when requesting a screenshot. That\u0027s because the Linux kernel has a security feature designed to block such attacks, \u0060protected_symlinks\u0060. On the rare systems with this purposefully disabled, it\u0027s then possible to trick Incus intro truncating and altering the mode and permissions of arbitrary files on the filesystem, leading to a potential denial of service or possible local privilege escalation. Version 6.23.0 fixes the issue.",
  "published": "2026-03-26T23:16:20Z",
  "severity": "high",
  "cvss": 7.8,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
  "epss": 0.00364,
  "epssPercentile": 0.30379,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "govulncheck-vulndb",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "0.0.20260723T184607-160000.1.1",
      "fix": "OPENSUSE-SU-2026:21483-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21483-1",
      "released": "2026-07-30T09:09:47Z"
    },
    {
      "platform": "linux",
      "product": "incus",
      "release": "Debian 14",
      "fixedVersion": "6.0.6-2",
      "fix": "DEBIAN-CVE-2026-33711",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-33711",
      "released": "2026-03-26T23:16:20Z"
    },
    {
      "platform": "linux",
      "product": "incus",
      "release": "Fedora 43",
      "fixedVersion": "6.23-3.fc43",
      "fix": "FEDORA-2026-094B7621CF",
      "url": "https://patchblox.com/security/fix/linux/fedora-2026-094b7621cf",
      "released": "2026-04-10T19:09:06Z"
    },
    {
      "platform": "linux",
      "product": "incus-agent",
      "release": "Fedora 43",
      "fixedVersion": "6.23-3.fc43",
      "fix": "FEDORA-2026-094B7621CF",
      "url": "https://patchblox.com/security/fix/linux/fedora-2026-094b7621cf",
      "released": "2026-04-10T19:09:06Z"
    },
    {
      "platform": "linux",
      "product": "incus-agent-debuginfo",
      "release": "Fedora 43",
      "fixedVersion": "6.23-3.fc43",
      "fix": "FEDORA-2026-094B7621CF",
      "url": "https://patchblox.com/security/fix/linux/fedora-2026-094b7621cf",
      "released": "2026-04-10T19:09:06Z"
    },
    {
      "platform": "linux",
      "product": "incus-client",
      "release": "Fedora 43",
      "fixedVersion": "6.23-3.fc43",
      "fix": "FEDORA-2026-094B7621CF",
      "url": "https://patchblox.com/security/fix/linux/fedora-2026-094b7621cf",
      "released": "2026-04-10T19:09:06Z"
    },
    {
      "platform": "linux",
      "product": "incus-client-debuginfo",
      "release": "Fedora 43",
      "fixedVersion": "6.23-3.fc43",
      "fix": "FEDORA-2026-094B7621CF",
      "url": "https://patchblox.com/security/fix/linux/fedora-2026-094b7621cf",
      "released": "2026-04-10T19:09:06Z"
    },
    {
      "platform": "linux",
      "product": "incus-debuginfo",
      "release": "Fedora 43",
      "fixedVersion": "6.23-3.fc43",
      "fix": "FEDORA-2026-094B7621CF",
      "url": "https://patchblox.com/security/fix/linux/fedora-2026-094b7621cf",
      "released": "2026-04-10T19:09:06Z"
    },
    {
      "platform": "linux",
      "product": "incus-debugsource",
      "release": "Fedora 43",
      "fixedVersion": "6.23-3.fc43",
      "fix": "FEDORA-2026-094B7621CF",
      "url": "https://patchblox.com/security/fix/linux/fedora-2026-094b7621cf",
      "released": "2026-04-10T19:09:06Z"
    },
    {
      "platform": "linux",
      "product": "incus-tools",
      "release": "Fedora 43",
      "fixedVersion": "6.23-3.fc43",
      "fix": "FEDORA-2026-094B7621CF",
      "url": "https://patchblox.com/security/fix/linux/fedora-2026-094b7621cf",
      "released": "2026-04-10T19:09:06Z"
    },
    {
      "platform": "linux",
      "product": "incus-tools-debuginfo",
      "release": "Fedora 43",
      "fixedVersion": "6.23-3.fc43",
      "fix": "FEDORA-2026-094B7621CF",
      "url": "https://patchblox.com/security/fix/linux/fedora-2026-094b7621cf",
      "released": "2026-04-10T19:09:06Z"
    }
  ],
  "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"
  }
}