CVE-2026-6369: An improper access control vulnerability in the canonical-livepatch snap client prior to version 10.15.0 allow

Q: How do I fix CVE-2026-6369?

livepatch client: upgrade to 10.15.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-6369 being exploited?

CVE-2026-6369 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-6369 affect?

CVE-2026-6369 affects livepatch client. Severity is medium (CVSS 5.5). 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 li

Q: How urgent is CVE-2026-6369?

Priority 20/100. No elevated risk signals yet.

Routine

MEDIUM 5.5UPGRADE

CVE-2026-6369 is a medium-severity flaw (CVSS 5.5) affecting livepatch client. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.1% (top 98%)
CISA exploited list	No
Weakness	CWE-306, CWE-732
Published	2026-04-20
Last modified	2026-10-26

Publisher (CNA): Canonical Ltd. · Vendor: canonical

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-20 14:16 UTCPublished CVE record published
2026-10-26 21:10 UTCUpdated Record last modified

canonical livepatch client UPGRADE

Affected: < 10.15.0

Fixed in: 10.15.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy livepatch-client || rpm -q livepatch-client || livepatch-client --version

2. UPGRADE to 10.15.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade livepatch-client

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade livepatch-client

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-6369?

livepatch client: upgrade to 10.15.0. Exact commands for each OS are on this page.

Is CVE-2026-6369 being exploited?

CVE-2026-6369 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-6369 affect?

CVE-2026-6369 affects livepatch client. Severity is medium (CVSS 5.5). 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 li

How urgent is CVE-2026-6369?

Priority 20/100. No elevated risk signals yet.

Software pages

Ubuntu vulnerabilities

References

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