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TI-2026-53280 Aliases CVE-2026-76159GHSA-8x3r-pmm8-3j9w

Duplicati for Windows - Incorrect Permission Assignment for Critical Resource

Priority LOW 32CWE-732Published · Updated

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

Incorrect Permission Assignment for Critical Resource in the configuration loader of Duplicati for Windows versions before v2.4.0.0 allows a local low-privileged attacker to escalate privileges to NT AUTHORITY\SYSTEM via an attacker-controlled preload.json file.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00131 2nd percentileScored 2026-11-07
Fix Fixed Duplicati (Duplicati): v2.4.0.0

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
DuplicatiDuplicatibefore v2.4.0.0v2.4.0.0Patch availableCNA
  • Duplicati VendorDuplicati Affected before v2.4.0.0 Fixed in v2.4.0.0 Patch available CNA

Remediation

  • Fix · CNA Duplicati (Duplicati) Fixed in v2.4.0.0

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-76159
  2. 2026-10-03 Alias added: GHSA-8x3r-pmm8-3j9w

References

Advisory 1

  • TI-2026-13522 Duplicati backup software v2.3.0.1 is vulnerable to an incorrect permission assignment vulnerability CVSS 3.1HIGH 7.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences