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CVE-2026-34178

🗓️ 09 Apr 2026 09:18:58Reported by canonicalType 
cve
 cve
🔗 web.nvd.nist.gov👁 57 Views🌐 WEB

CVE-2026-34178: Crafted backups bypass project restrictions in LXD prior to 6.8 via backup.yaml.

Related
Detection
Affected
Refs
Paths
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-34178
9 Apr 202609:18
–attackerkb
bdu_fstec
BDU FSTEC
LXD Container Management System Input Validation
1 Jun 202600:00
–bdu_fstec
circl
Circl
CVE-2026-34178
9 Apr 202607:11
–circl
cnnvd
CNNVD
LXD security vulnerabilities
9 Apr 202600:00
–cnnvd
cvelist
Cvelist
CVE-2026-34178 Importing a crafted backup leads to project restriction bypass
9 Apr 202609:18
–cvelist
debian
Debian
[BSA-132] Security Update for incus
24 Apr 202603:29
–debian
debian
Debian
[SECURITY] [DSA 6212-1] incus security update
15 Apr 202619:16
–debian
debian
Debian
[SECURITY] [DSA 6213-1] lxd security update
15 Apr 202619:16
–debian
debiancve
Debian CVE
CVE-2026-34178
9 Apr 202609:18
–debiancve
nessus
Tenable Nessus
Debian dsa-6212 : golang-github-lxc-incus-dev - security update
20 Apr 202600:00
–nessus
Rows per page
NVD
Node
OR
canonicallxdRange4.12–5.0.6
canonicallxdRange5.21.0–5.21.4
canonicallxdRange6.0–6.7
[
  {
    "vendor": "Canonical",
    "product": "lxd",
    "platforms": [
      "Linux"
    ],
    "collectionURL": "https://github.com/canonical",
    "packageName": "lxd",
    "repo": "https://github.com/canonical/lxd",
    "programFiles": [
      "permissions.go"
    ],
    "versions": [
      {
        "status": "affected",
        "version": "4.12.0",
        "lessThan": "5.0.7",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "5.1.0",
        "lessThan": "5.21.5",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "6.0.0",
        "lessThan": "6.8.0",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]
ParameterPositionPathDescriptionCWE
tar archiverequest body/backup/importAn authenticated attacker can upload a crafted tar archive to the /backup/import endpoint. The system validates project restrictions against backup/index.yaml but uses backup/container/backup.yaml for instance creation, allowing the bypass of project restrictions and potential host compromise.CWE-20

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17 Jun 2026 10:38Current
6.2Medium risk
Vulners AI Score6.2
CVSS 3.19.1
EPSS0.00675
SSVC
57