{"id":"CVE-2026-109119","title":"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.","summary":"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.","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-862"],"vendor":"ikus-soft","product":"rdiffweb","affected":["rdiffweb < 2.10.6"],"published":"2026-10-16","updated":"2026-10-16","sourceUpdated":"2026-10-16T20:04:29.760","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-109119","references":[{"url":"https://gitlab.com/ikus-soft/rdiffweb","label":"cve@gitlab.com"},{"url":"https://gitlab.com/ikus-soft/rdiffweb/-/commit/4ce35fc2d23ac1cc789186f32bf76603b2eddeb3","label":"cve@gitlab.com"},{"url":"https://gitlab.com/ikus-soft/rdiffweb/-/commit/b529adf2c13a210d10aaf56325de4d3fb2428abe","label":"cve@gitlab.com"}],"tags":["nvd","cve.org"],"epss":0.0038,"epssPercentile":0.31788,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-16T13:31:02.410278Z"},"ingestedAt":"2026-10-16T11:04:58.138Z","slug":"CVE-2026-109119","body":"## Overview\n\nImproper 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":48.4,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}