UnratedFix available

DEBIAN-CVE-2026-34179

Type: advisorySource: OSV1 source record

In Canonical LXD versions 4.12 through 6.7, the doCertificateUpdate function in lxd/certificates.go does not validate the Type field when handling PUT/PATCH requests to /1.0/certificates/{fingerprint} for restricted TLS certificate users, allowing a remote authenticated attacker to escalate privileges to cluster admin.

Announced 9 Apr 2026Group revision 1

Original source ↗

DEBIAN-CVE-2026-34179

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: osv:DEBIAN-CVE-2026-34179

incus

Source reference: /affected/0/package/name

Affected versions: 6.0.4-2
Source reference: /affected/0/versions
6.0.4-2+deb13u1
Source reference: /affected/0/versions
6.0.4-2+deb13u1~bpo12+1
Source reference: /affected/0/versions
6.0.4-2+deb13u2
Source reference: /affected/0/versions
6.0.4-2+deb13u2~bpo12+1
Source reference: /affected/0/versions
6.0.4-2+deb13u3
Source reference: /affected/0/versions
6.0.4-2+deb13u3~bpo12+1
Source reference: /affected/0/versions
6.0.4-2+deb13u4
Source reference: /affected/0/versions
6.0.4-2+deb13u4~bpo12+1
Source reference: /affected/0/versions
6.0.4-2+deb13u5
Source reference: /affected/0/versions
6.0.4-2+deb13u5~bpo12+1
Source reference: /affected/0/versions
6.0.4-2+deb13u6~bpo12+1
Source reference: /affected/0/versions
Fixed versions: 6.0.4-2+deb13u6
Source reference: /affected/0/ranges
Prerequisites: Not stated in this record

incus

Source reference: /affected/1/package/name

Affected versions: 6.0.4-2
Source reference: /affected/1/versions
6.0.4-3
Source reference: /affected/1/versions
6.0.5-1
Source reference: /affected/1/versions
6.0.5-2
Source reference: /affected/1/versions
6.0.5-3
Source reference: /affected/1/versions
6.0.5-4
Source reference: /affected/1/versions
6.0.5-5
Source reference: /affected/1/versions
6.0.5-6
Source reference: /affected/1/versions
6.0.5-7
Source reference: /affected/1/versions
6.0.5-8
Source reference: /affected/1/versions
6.0.6-1
Source reference: /affected/1/versions
6.0.6-2
Source reference: /affected/1/versions
Fixed versions: 6.0.6-3
Source reference: /affected/1/ranges
Prerequisites: Not stated in this record

lxd

Source reference: /affected/2/package/name

Affected versions: 5.0.2+git20231211.1364ae4-1
Source reference: /affected/2/versions
5.0.2+git20231211.1364ae4-2
Source reference: /affected/2/versions
5.0.2+git20231211.1364ae4-3
Source reference: /affected/2/versions
5.0.2+git20231211.1364ae4-4
Source reference: /affected/2/versions
5.0.2+git20231211.1364ae4-5
Source reference: /affected/2/versions
5.0.2+git20231211.1364ae4-6
Source reference: /affected/2/versions
5.0.2+git20231211.1364ae4-7
Source reference: /affected/2/versions
5.0.2+git20231211.1364ae4-8
Source reference: /affected/2/versions
5.0.2+git20231211.1364ae4-9
Source reference: /affected/2/versions
5.0.2-5
Source reference: /affected/2/versions
5.0.2-5+deb12u1
Source reference: /affected/2/versions
5.0.2-5+deb12u2
Source reference: /affected/2/versions
5.0.2-5+deb12u3
Source reference: /affected/2/versions
5.0.2-5+deb12u4
Source reference: /affected/2/versions
5.0.2-5+deb12u5
Source reference: /affected/2/versions
5.0.2-5+deb12u6
Source reference: /affected/2/versions
5.0.2-6
Source reference: /affected/2/versions
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

lxd

Source reference: /affected/3/package/name

Affected versions: 5.0.2+git20231211.1364ae4-9
Source reference: /affected/3/versions
5.0.2+git20231211.1364ae4-9+deb13u1
Source reference: /affected/3/versions
5.0.2+git20231211.1364ae4-9+deb13u2
Source reference: /affected/3/versions
5.0.2+git20231211.1364ae4-9+deb13u3
Source reference: /affected/3/versions
5.0.2+git20231211.1364ae4-9+deb13u4
Source reference: /affected/3/versions
Fixed versions: 5.0.2+git20231211.1364ae4-9+deb13u5
Source reference: /affected/3/ranges
Prerequisites: Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "6.0.4-2+deb13u6"
          }
        ]
      }
    ],
    "package": {
      "name": "incus",
      "purl": "pkg:deb/debian/incus?arch=source&distro=trixie",
      "ecosystem": "Debian:13"
    },
    "versions": [
      "6.0.4-2",
      "6.0.4-2+deb13u1",
      "6.0.4-2+deb13u1~bpo12+1",
      "6.0.4-2+deb13u2",
      "6.0.4-2+deb13u2~bpo12+1",
      "6.0.4-2+deb13u3",
      "6.0.4-2+deb13u3~bpo12+1",
      "6.0.4-2+deb13u4",
      "6.0.4-2+deb13u4~bpo12+1",
      "6.0.4-2+deb13u5",
      "6.0.4-2+deb13u5~bpo12+1",
      "6.0.4-2+deb13u6~bpo12+1"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-34179.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "6.0.6-3"
          }
        ]
      }
    ],
    "package": {
      "name": "incus",
      "purl": "pkg:deb/debian/incus?arch=source&distro=forky",
      "ecosystem": "Debian:14"
    },
    "versions": [
      "6.0.4-2",
      "6.0.4-3",
      "6.0.5-1",
      "6.0.5-2",
      "6.0.5-3",
      "6.0.5-4",
      "6.0.5-5",
      "6.0.5-6",
      "6.0.5-7",
      "6.0.5-8",
      "6.0.6-1",
      "6.0.6-2"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-34179.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          }
        ]
      }
    ],
    "package": {
      "name": "lxd",
      "purl": "pkg:deb/debian/lxd?arch=source&distro=bookworm",
      "ecosystem": "Debian:12"
    },
    "versions": [
      "5.0.2+git20231211.1364ae4-1",
      "5.0.2+git20231211.1364ae4-2",
      "5.0.2+git20231211.1364ae4-3",
      "5.0.2+git20231211.1364ae4-4",
      "5.0.2+git20231211.1364ae4-5",
      "5.0.2+git20231211.1364ae4-6",
      "5.0.2+git20231211.1364ae4-7",
      "5.0.2+git20231211.1364ae4-8",
      "5.0.2+git20231211.1364ae4-9",
      "5.0.2-5",
      "5.0.2-5+deb12u1",
      "5.0.2-5+deb12u2",
      "5.0.2-5+deb12u3",
      "5.0.2-5+deb12u4",
      "5.0.2-5+deb12u5",
      "5.0.2-5+deb12u6",
      "5.0.2-6"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-34179.json"
    },
    "ecosystem_specific": {
      "urgency": "end-of-life"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "5.0.2+git20231211.1364ae4-9+deb13u5"
          }
        ]
      }
    ],
    "package": {
      "name": "lxd",
      "purl": "pkg:deb/debian/lxd?arch=source&distro=trixie",
      "ecosystem": "Debian:13"
    },
    "versions": [
      "5.0.2+git20231211.1364ae4-9",
      "5.0.2+git20231211.1364ae4-9+deb13u1",
      "5.0.2+git20231211.1364ae4-9+deb13u2",
      "5.0.2+git20231211.1364ae4-9+deb13u3",
      "5.0.2+git20231211.1364ae4-9+deb13u4"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-34179.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  }
]

Publisher severity

No explicit severity was provided.

Event: #55970 · Revision 1
Added to Heist Feed: Sun, 25 Oct 2026 16:16:53 GMT
Publisher date: Thu, 09 Apr 2026 10:16:21 GMT

Read the original announcement

Revision history

25 Oct 2026DEBIAN-CVE-2026-34179 · Revision 1Source updated