CVE-2026-109119High· 8.8▾ TwilightImproper 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.
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 48.4 · likelihood 0.1 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Oct 17.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.4%
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.
Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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