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CVE-2026-6369

5.7 medium SSVC exploitation: none Analyzed
NVD · CVE.org

An improper access control vulnerability in the canonical-livepatch snap client prior to version 10.15.0 allows a local unprivileged user to obtain a sensitive, root-level authentication token by sending an unauthenticated request to the livepatchd.sock Unix domain socket. This vulnerability is exploitable on systems where an administrator has already enabled the Livepatch client with a valid Ubuntu Pro subscription. This token allows an attacker to access Livepatch services using the victim's credentials, as well as potentially cause issues to the Livepatch server.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 5.7 · canonicalNVD modified 2026-10-26 21:10

Affected (CPE criteria) 1

  • cpe:2.3:a:canonical:livepatch_client:*:*:*:*:*:*:*:*

References 1