CVE-2026-34179CRITICAL 9.1EPSS p18.9%

CVE-2026-34179CVE-2026-34179

Description

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.

Scoring

CVSS 3.19.1 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
EPSS0.27% probability of exploitation · percentile 18.9% · 2026-06-18T12:00:27Z
Published2026-04-09
Last modified2026-04-22

Underlying weaknesses· 1

CWE-915

References

  1. https://github.com/canonical/lxd/pull/17936
  2. https://github.com/canonical/lxd/security/advisories/GHSA-c3h3-89qf-jqm5
  3. https://github.com/canonical/lxd/security/advisories/GHSA-c3h3-89qf-jqm5

1

TypeTargetConfidenceTier
WeaknessImproperly Controlled Modification of Dynamically-Determined Object Attributescwe-9150%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.