CVE WatchOct 26, 2026

CVE-2026-6369

An improper access control vulnerability in the canonical-livepatch snap client prior to version 10.15.0 allows a local unprivileged user to

CVSS

5.5

Medium

EPSS

0.1%

KEV

—

Exploit Today

0-100

Published: Apr 20, 2026 · Last modified: Oct 26, 2026 · CWE-306 · CWE-732

EPSS · 30d

0.1%EPSS · 30 days0.2%

2026-10-052026-11-02

Technical description

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.

Official references

discourse.ubuntu.comhttps://discourse.ubuntu.com/t/security-notice-canonical-livepatch-client-snap-vulnerability/80662

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