What is CVE-2026-6369?

CVE-2026-6369 is a medium-severity vulnerability in Canonical Canonical-livepatch, classified under Missing Authentication for Critical Function. CVSS score: 5.5/10. Published 2026-04-20.

How severe is CVE-2026-6369?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Auth bypass in Canonical Canonical-livepatch

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 obtain a sensitive, root-level authentication token by sending an unauthenticated request to the l…

Vulnerability class: Broken Authentication

EPSS: 0.000 (5.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Canonical Canonical-livepatch — versions 0
Canonical Livepatch_client

Weakness classification (CWE)

References

security@ubuntu.com (vendor-advisory, Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2026-6369?: CVE-2026-6369 is a medium-severity vulnerability in Canonical Canonical-livepatch, classified under Missing Authentication for Critical Function. CVSS score: 5.5/10. Published 2026-04-20.
How severe is CVE-2026-6369?: Medium severity. CVSS v3 base score is 5.5 out of 10.