CVE-2026-34179 Affecting lxd package, versions <5.0.2+git20231211.1364ae4-9+deb13u5


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.27% (19th percentile)

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  • Snyk IDSNYK-DEBIAN13-LXD-16066076
  • published15 Apr 2026
  • disclosed9 Apr 2026

Introduced: 9 Apr 2026

CVE-2026-34179  (opens in a new tab)

How to fix?

Upgrade Debian:13 lxd to version 5.0.2+git20231211.1364ae4-9+deb13u5 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream lxd package and not the lxd package as distributed by Debian. See How to fix? for Debian:13 relevant fixed versions and status.

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.