Read the docs
TI-2026-29688 Aliases CVE-2026-41049GHSA-cf66-c678-24r2

Caching of Authentication allows Authentication Bypass between users in qSnapper

Priority LOW 38CWE-863Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-863.

Summary

Incorrect caching of authentication between different users of the  qSnapper dbus service before version 1.3.3 allowed any local attacker to use dbus functions after a privileged users has authenticated for them.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00183 7th 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

VendorProductAffected versionsFixed inStatusSource
presireqSnapper1.2.1 to before 1.3.31.3.3Patch availableCNA
  • qSnapper Vendorpresire Affected 1.2.1 to before 1.3.3 Fixed in 1.3.3 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:presire:qsnapper:*:*:*:*:*:*:*:*before 1.3.3Vulnerablepresire
  • cpe:2.3:a:presire:qsnapper:*:*:*:*:*:*:*:* Versions before 1.3.3 Vulnerable ·presire

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-2026-29687 Caching of Authentication allows Authentication Bypass in qSnapperPriority LOW 38
    • TI-2026-29684 Weak polkit authentication check in qSnapperPriority LOW 36
    • TI-2026-29685 path traversal via `config` parameter in qSnapperPriority LOW 31

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-41049
  2. 2026-10-03 Alias added: GHSA-cf66-c678-24r2

References

  • TI-2026-29687 Caching of Authentication allows Authentication Bypass in qSnapper CVSS 4.0HIGH 8.4
  • TI-2026-29684 Weak polkit authentication check in qSnapper CVSS 3.1HIGH 8.1
  • 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