CVE-2026-3888-snap-confine-systemd-tmpfiles-LPE

CVE-2026-3888 — snap-confine / systemd-tmpfiles Local Privilege Escalation Local privilege escalation from unprivileged user to full root on Ubuntu Desktop 24.04+ by exploiting a TOCTOU race condition between snap-confine and systemd-tmpfiles. Two variants are provided: SUID and Capabilities. CVS...

CVE-2021-44731-snap-confine-SUID

CVE-2021-44731-snap-confine-SUID Local Privilege Escalation Exploit for CVE-2021-44731, snap-confine 2.54.2 and lower All credit to Qualys for finding this and providing a detailed exploit. https://www.qualys.com/2022/02/17/cve-2021-44731/oh-snap-more-lemmings.txt Quick and Dirty snap-confine LPE...

CVE-2022-3328

CVE-2022-3328 CVE-2022-3328 with CVE-2022-41974 and CVE-2022-41973 from: https://www.qualys.com/2022/11/30/cve-2022-3328/advisory-snap.txt https://blog.qualys.com/vulnerabilities-threat-research/2022/11/30/race-condition-in-snap-confines-mustmkdirandopenwithperms-cve-2022-3328...

CVE-2026-3888

CVE-2026-3888 - snap-confine + systemd-tmpfiles Local Privilege Escalation Disclaimer: This repository is for educational purposes only. All content is based on the original security advisory published by Qualys on March 17, 2026. The vulnerability has been patched-always ensure your systems are ...

CVE-2026-3888

CVE-2026-3888 - snap-confine + systemd-tmpfiles Escalação de Privilégios Local Aviso: Este repositório é apenas para fins educacionais. Todo o conteúdo é baseado no aviso de segurança original publicado pela Qualys em 17 de março de 2026. A vulnerabilidade já foi corrigida — garanta sempre que se...

CVE-2026-72455

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix uninitialised pointer passed to auditloguntrustedstring Commit 4a134723f9f1 "apparmor: move check for aanull file to cover all cases" intrdouced a small bug, where pathname may pass a potentially uninitialized name ...

Linux Distros Unpatched Vulnerability : CVE-2026-8933

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A local privilege escalation vulnerability exists in snap-confine, a set-capabilities core component used internally by Canonical snapd to construct the secure...

Ubuntu snap-confine Flaw Could Give Local Users Root on Default Desktop Installs

Cybersecurity researchers have disclosed details of a new local privilege escalation LPE vulnerability in snap-confine that an unprivileged user can trigger to obtain root access and gain complete control of a target environment. The high-severity flaw, tracked as CVE-2026-8933 CVSS score: 7.8,...

New Ubuntu Desktop Vulnerability Turns Local Access Into Root Control

A vulnerability in snap-confine lets an unprivileged user gain root access on affected Ubuntu Desktop systems. Install the latest snapd update to fix the issue...

CVE-2026-8933

A local privilege escalation vulnerability exists in snap-confine, a set-capabilities core component used internally by Canonical snapd to construct the secure execution environment for snap applications. This vulnerability uniquely affects versions of snap-confine configured with set-capabilitie...

USN-8579-1 snapd vulnerabilities

James Henstridge discovered that snapd's default apparmor template did not restrict access to systemd-userdbd varlink interface. A local attacker could possibly use this issue to obtain sensitive information. CVE-2024-5300 Qualys discovered that snap-confine can be tricked to create...

USN-8579-1: snapd vulnerabilities

James Henstridge discovered that snapd's default apparmor template did not restrict access to systemd-userdbd varlink interface. A local attacker could possibly use this issue to obtain sensitive information. CVE-2024-5300 Qualys discovered that snap-confine can be tricked to create...

EUVD-2026-46262

A local privilege escalation vulnerability exists in snap-confine, a set-capabilities core component used internally by Canonical snapd to construct the secure execution environment for snap applications. This vulnerability uniquely affects versions of snap-confine configured with set-capabilitie...

CVE-2026-8933

A local privilege escalation vulnerability exists in snap-confine, a set-capabilities core component used internally by Canonical snapd to construct the secure execution environment for snap applications. This vulnerability uniquely affects versions of snap-confine configured with set-capabilitie...

CVE-2026-8933 snap-confine Local Privilege Escalation via Capabilities Misconfiguration or Flaw in Execution Environment Setup

A local privilege escalation vulnerability exists in snap-confine, a set-capabilities core component used internally by Canonical snapd to construct the secure execution environment for snap applications. This vulnerability uniquely affects versions of snap-confine configured with set-capabilitie...

CVE-2026-8933 snap-confine Local Privilege Escalation via Capabilities Misconfiguration or Flaw in Execution Environment Setup

A local privilege escalation vulnerability exists in snap-confine, a set-capabilities core component used internally by Canonical snapd to construct the secure execution environment for snap applications. This vulnerability uniquely affects versions of snap-confine configured with set-capabilitie...

CVE-2026-8933

A local privilege escalation affecting snap-confine (used by Canonical snapd) configured with set-capabilities. The flaw lies in how privilege boundaries/security sandboxes are initialized when running under limited ambient capabilities, allowing an unprivileged local user to bypass restrictions ...

CVE-2026-15226 snapd snap-confine Sandbox Confinement Bypass via Omission of setuid Restriction in Seccomp Templates

A sandbox confinement bypass vulnerability exists in Canonical snapd within its internal execution environment compiler snap-confine. The default seccomp security templates generated by the engine to restrict system calls do not filter or reject process operations capable of creating or...

CVE-2026-15226

Canonically reported vulnerability CVE-2026-15226 affects Canonical snapd’s sandboxed environment (snap-confine). The issue: default seccomp templates did not filter or reject operations to create/manipulate file execution flags with set-user-id attributes, allowing a strictly confined snap to co...

CVE-2026-8933

A local privilege escalation vulnerability exists in snap-confine, a set-capabilities core component used internally by Canonical snapd to construct the secure execution environment for snap applications. This vulnerability uniquely affects versions of snap-confine configured with set-capabilitie...