← Vulnerability feed

Vulnerability record · CVE-2026-41045 · published 22 June 2026

CVE-2026-41045: Presire qsnapper toctou race condition vulnerability

PPresire · Qsnapper

A time-to-check-time-of-use in polkit authentication of qSnapper before version 1.3.3 allowed a local attacker to bypass qSnappers authentication mechanism and operate e.g. as root user.

7.0 CVSS 3.1 High EPSS 0.16% · top 95.6% CWE-367 · TOCTOU race condition
7.0CVSS 3.1 base score
0.16%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References
28 Jun 2026Last modified by NVD

Description

A time-to-check-time-of-use in polkit authentication of qSnapper before version 1.3.3 allowed a local attacker to bypass qSnappers authentication mechanism and operate e.g. as root user.

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://bugzilla.suse.com/show_bug.cgi?id=1261795 Third Party Advisory
https://github.com/presire/qSnapper/releases/tag/v1.3.3 Release Notes
https://security.opensuse.org/2026/05/26/qsnapper-dbus-issues.html#issue-polkit-bypass Third Party Advisory

Track CVE-2026-41045 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.4CVE-2026-41048Presire qsnapper incorrect authorization vulnerabilityIncorrect caching of authentication between different polkit methods in qSnapper before version 1.3.3 allowed a local attacker to use functions like …EPSS 0.18%8.4CVE-2026-41049Presire qsnapper incorrect authorization vulnerabilityIncorrect caching of authentication between different users of the  qSnapper dbus service before version 1.3.3 allowed any local attacker to use dbus…EPSS 0.18%7.3CVE-2026-41046Presire qsnapper relative path traversal vulnerabilityA path traversal attack when using a "configName" parameter in qSnapper before version 1.3.3 allowed a local attacker to use malicious config files f…EPSS 0.19%6.9CVE-2026-41047Presire qsnapper missing authentication for critical function vulnerabilityLack of authentication when using the "snapshot diff" functions in qSnapper before version 1.3.3 allowed a local attacker to see otherwise read prote…EPSS 0.20%5.1CVE-2015-3246libuser userhelper direct /etc/passwd write race conditionlibuser before 0.56.13-8 and 0.60 before 0.60-7, as used by the userhelper program in the usermode package, modifies /etc/passwd directly instead of …KEVEPSS 8.8%analysed7.8CVE-2025-38352Linux kernel POSIX CPU timer TOCTOU race enables local privilege escalationA time-of-check to time-of-use race exists in the Linux kernel between handle_posix_cpu_timers() and posix_cpu_timer_del(). When an exiting non-autor…KEVEPSS 1.3%analysed8.2CVE-2025-22224VMware ESXi and Workstation TOCTOU race leads to out-of-bounds writeVMware ESXi, Workstation, and related products contain a TOCTOU race condition that results in an out-of-bounds write. An attacker with local adminis…KEVEPSS 1.6%analysed7.0CVE-2024-30088Windows Kernel TOCTOU race condition privilege escalationCVE-2024-30088 is a time-of-check time-of-use (TOCTOU) race condition in the Windows kernel that allows a local user to elevate privileges. It affect…KEVEPSS 68%analysed

Source: NIST National Vulnerability Database (record CVE-2026-41045), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.