Weak polkit authentication check in qSnapper
Priority LOW 36CWE-367Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0016 5th percentileScored 2026-11-07
Fix Fixed qSnapper (presire): 1.3.3
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA qSnapper (presire) Fixed in 1.3.3
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
presire qSnapper — github.com/presire/qSnapper/releases/tag/v1.3.3
5 records Highest priority Priority LOW 5 LOW
Other records, highest priority first
- TI-2026-29688 Caching of Authentication allows Authentication Bypass between users in qSnapperPriority LOW 38
- TI-2026-29687 Caching of Authentication allows Authentication Bypass in qSnapperPriority LOW 38
- TI-2026-29685 path traversal via `config` parameter in qSnapperPriority LOW 31
Timeline
- 2026-10-02 Threatist record created from CVE-2026-41045
- 2026-10-03 Alias added: GHSA-w4qv-m9pp-3xjr
References
More presire Qsnapper vulnerabilities
- TI-2026-29688 Caching of Authentication allows Authentication Bypass between users in qSnapper CVSS 4.0HIGH 8.4
- TI-2026-29687 Caching of Authentication allows Authentication Bypass in qSnapper CVSS 4.0HIGH 8.4
- TI-2026-29685 path traversal via `config` parameter in qSnapper CVSS 3.1HIGH 7.3
- TI-2026-29686 Information leak via “diff” methods in qSnapper CVSS 4.0MEDIUM 6.9
Sources
- CVE-2026-41045 · CVE Program
- CVE-2026-41045 · NVD
- FIRST EPSS
- GHSA-w4qv-m9pp-3xjr · GitHub Advisory Database · CC BY 4.0
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