# Canonical Ubuntu vulnerabilities Source: https://junglewise.ai/threats/technologies/ubuntu Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/ubuntu.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 9 vulnerabilities in Canonical Ubuntu: 0 in the last 7 days and 1 in the last 90 days, 2 of them critical and 0 exploited in the wild. The most recent, CVE-2026-109518, was published on 4 November 2026. 1 vulnerability in the last four weeks, up from none in the four before. ## Counts - Last 7 days: 0 - Last 30 days: 1 - Last 90 days: 1 - All time: 9 (2 critical, 0 exploited in the wild) ## About Canonical Ubuntu Ubuntu is a Linux distribution based on Debian, developed for personal computers, servers, and cloud computing. ## Latest Canonical Ubuntu vulnerabilities - [CVE-2026-109518: APT package manager hard link reuse remote code execution](https://junglewise.ai/threats/cve-2026-109518-on-debian-ubuntu-and-derivative-linux-distributions-an-on-path) (high, published 4 Nov 2026) - [CVE-2026-8933: Canonical snapd privilege escalation in snap-confine](https://junglewise.ai/threats/cve-2026-8933-canonical-snapd-privilege-escalation-in-snap-confine) (high, CVSS 7.8, published 21 Jul 2026) - [CVE-2026-15226: Canonical snapd sandbox confinement bypass in snap-confine](https://junglewise.ai/threats/cve-2026-15226-canonical-snapd-sandbox-confinement-bypass-in-snap-confine) (high, CVSS 8.4, published 21 Jul 2026) - [CVE-2024-5300: Canonical snapd access control bypass in AppArmor configuration](https://junglewise.ai/threats/cve-2024-5300-canonical-snapd-access-control-bypass-in-apparmor-configuration) (medium, CVSS 5.6, published 21 Jul 2026) - [CVE-2026-9494: Canonical ubuntu-pro-client information disclosure via process arguments](https://junglewise.ai/threats/cve-2026-9494-canonical-ubuntu-pro-client-information-disclosure-via-process) (medium, CVSS 5.5, published 16 Jul 2026) - [CVE-2026-12391: Canonical ubuntu-pro-client insecure symlink following in collect-logs](https://junglewise.ai/threats/cve-2026-12391-canonical-ubuntu-pro-client-insecure-symlink-following-in-collect) (medium, CVSS 5, published 16 Jul 2026) - [CVE-2026-11386: Canonical ubuntu-pro-client code execution via APT source injection](https://junglewise.ai/threats/cve-2026-11386-canonical-ubuntu-pro-client-code-execution-via-apt-source) (critical, CVSS 9, published 16 Jul 2026) - [CVE-2026-10037: Canonical Ubuntu OpenJDK sandbox escape via .jar MIME handler](https://junglewise.ai/threats/cve-2026-10037-canonical-ubuntu-openjdk-sandbox-escape-via-jar-mime-handler) (high, CVSS 8.8, published 8 Jul 2026) - [CVE-2026-12249: Canonical ADSys trust store poisoning in AD CS auto-enrollment](https://junglewise.ai/threats/cve-2026-12249-canonical-adsys-trust-store-poisoning-in-ad-cs-auto-enrollment) (critical, CVSS 9, published 22 Jun 2026) ## Most severe Canonical Ubuntu vulnerabilities - [CVE-2026-12249: Canonical ADSys trust store poisoning in AD CS auto-enrollment](https://junglewise.ai/threats/cve-2026-12249-canonical-adsys-trust-store-poisoning-in-ad-cs-auto-enrollment) (critical, CVSS 9, published 22 Jun 2026) - [CVE-2026-11386: Canonical ubuntu-pro-client code execution via APT source injection](https://junglewise.ai/threats/cve-2026-11386-canonical-ubuntu-pro-client-code-execution-via-apt-source) (critical, CVSS 9, published 16 Jul 2026) - [CVE-2026-10037: Canonical Ubuntu OpenJDK sandbox escape via .jar MIME handler](https://junglewise.ai/threats/cve-2026-10037-canonical-ubuntu-openjdk-sandbox-escape-via-jar-mime-handler) (high, CVSS 8.8, published 8 Jul 2026) - [CVE-2026-15226: Canonical snapd sandbox confinement bypass in snap-confine](https://junglewise.ai/threats/cve-2026-15226-canonical-snapd-sandbox-confinement-bypass-in-snap-confine) (high, CVSS 8.4, published 21 Jul 2026) - [CVE-2026-8933: Canonical snapd privilege escalation in snap-confine](https://junglewise.ai/threats/cve-2026-8933-canonical-snapd-privilege-escalation-in-snap-confine) (high, CVSS 7.8, published 21 Jul 2026) - [CVE-2026-109518: APT package manager hard link reuse remote code execution](https://junglewise.ai/threats/cve-2026-109518-on-debian-ubuntu-and-derivative-linux-distributions-an-on-path) (high, published 4 Nov 2026) - [CVE-2024-5300: Canonical snapd access control bypass in AppArmor configuration](https://junglewise.ai/threats/cve-2024-5300-canonical-snapd-access-control-bypass-in-apparmor-configuration) (medium, CVSS 5.6, published 21 Jul 2026) - [CVE-2026-9494: Canonical ubuntu-pro-client information disclosure via process arguments](https://junglewise.ai/threats/cve-2026-9494-canonical-ubuntu-pro-client-information-disclosure-via-process) (medium, CVSS 5.5, published 16 Jul 2026) - [CVE-2026-12391: Canonical ubuntu-pro-client insecure symlink following in collect-logs](https://junglewise.ai/threats/cve-2026-12391-canonical-ubuntu-pro-client-insecure-symlink-following-in-collect) (medium, CVSS 5, published 16 Jul 2026) ## Vulnerabilities per week 1 vulnerability in the last four weeks, up from none in the four before. | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 0 | 0 | 0 | | 21 Sep 2026 | 0 | 0 | 0 | | 28 Sep 2026 | 0 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 0 | 0 | 0 | | 19 Oct 2026 | 0 | 0 | 0 | | 26 Oct 2026 | 0 | 0 | 0 | | 2 Nov 2026 | 1 | 0 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## Other Canonical technologies - [Canonical LXD](https://junglewise.ai/threats/technologies/lxd): 30 vulnerabilities - [Canonical Juju](https://junglewise.ai/threats/technologies/juju): 6 vulnerabilities - [Canonical Ubuntu-Linux](https://junglewise.ai/threats/technologies/ubuntu-20-04-lts): 6 vulnerabilities - [Canonical Apport](https://junglewise.ai/threats/technologies/apport): 4 vulnerabilities - [Canonical Snapd](https://junglewise.ai/threats/technologies/snapd): 4 vulnerabilities - [Canonical Incus](https://junglewise.ai/threats/technologies/canonical-incus): 3 vulnerabilities - [Canonical Ubuntu-Pro-Client](https://junglewise.ai/threats/technologies/ubuntu-pro-client): 3 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Canonical Ubuntu vulnerabilities", https://junglewise.ai/threats/technologies/ubuntu, 13 November 2026.