CVE-2026-6369 | Canonical canonical-livepatch up to 10.14.x Livepatch Service livepatchd.sock missing authentication

VDB-358308 · CVE-2026-6369 · GCVE-0-2026-6369 CANONICAL CANONICAL-LIVEPATCH UP TO 10.14.X LIVEPATCH SERVICE LIVEPATCHD.SOCK MISSING AUTHENTICATION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 5.7 $0-$5k 2.42+ Summaryinfo A vulnerability was found in Canonical canonical-livepatch up to 10.14.x. It has been declared as critical. Impacted is an unknown function of the file livepatchd.sock of the component Livepatch Service. The manipulation results in missing authentication. This vulnerability was named CVE-2026-6369. The attack needs to be approached locally. There is no available exploit. It is recommended to upgrade the affected component. Detailsinfo A vulnerability classified as critical has been found in Canonical canonical-livepatch up to 10.14.x. Affected is some unknown processing of the file livepatchd.sock of the component Livepatch Service. The manipulation with an unknown input leads to a missing authentication vulnerability. CWE is classifying the issue as CWE-306. The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes: 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. The advisory is shared for download at discourse.ubuntu.com. This vulnerability is traded as CVE-2026-6369 since 04/15/2026. The exploitability is told to be easy. The attack needs to be approached locally. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. Upgrading to version 10.15.0 eliminates this vulnerability. Productinfo Vendor Canonical Name canonical-livepatch Version 10.0 10.1 10.2 10.3 10.4 10.5 10.6 10.7 10.8 10.9 10.10 10.11 10.12 10.13 10.14 License open-source CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA CVSS-B Score: 🔒 CNA CVSS-BT Score: 🔒 CNA Vector: 🔒 CVSSv3info VulDB Meta Base Score: 5.9 VulDB Meta Temp Score: 5.7 VulDB Base Score: 5.9 VulDB Temp Score: 5.7 VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Missing authentication CWE: CWE-306 / CWE-287 CAPEC: 🔒 ATT&CK: 🔒 Physical: Partially Local: Yes Remote: No Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: Upgrade Status: 🔍 0-Day Time: 🔒 Upgrade: canonical-livepatch 10.15.0 Timelineinfo 04/15/2026 CVE reserved 04/20/2026 +5 days Advisory disclosed 04/20/2026 +0 days VulDB entry created 04/20/2026 +0 days VulDB entry last update Sourcesinfo Advisory: discourse.ubuntu.com Status: Confirmed CVE: CVE-2026-6369 (🔒) GCVE (CVE): GCVE-0-2026-6369 GCVE (VulDB): GCVE-100-358308 Entryinfo Created: 04/20/2026 16:53 Changes: 04/20/2026 16:53 (68) Complete: 🔍 Cache ID: 99:17C:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸