CVE-2026-109119

Improper Privilege Management in the user management API endpoint (/api/users/{username_or_id}) in Rdiffweb allows authenticated users to elevate their privileges to administrator by modifying the role parameter in a POST request.

CVSS 3.1

8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

0.4% chance of exploitation in the next 30 days; higher than 31% of CVEs (scores of 2026-10-25)

CWE

CWE-862

Published

2026-10-16

Modified

2026-10-16

Record from

the NVD, synced 2026-10-19

References

• https://gitlab.com/ikus-soft/rdiffweb
• https://gitlab.com/ikus-soft/rdiffweb/-/commit/4ce35fc2d23ac1cc789186f32bf76603b2eddeb3
• https://gitlab.com/ikus-soft/rdiffweb/-/commit/b529adf2c13a210d10aaf56325de4d3fb2428abe

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