{"id":"CVE-2026-67528","title":"OpenProject is open-source, web-based project management software","summary":"OpenProject is open-source, web-based project management software. Prior to 17.6.0, GET /api/v3/custom_options/:id resolved CustomOption records by global numeric id and allowed UserCustomField and GroupCustomField options without checki…","severity":"medium","cvss":4.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","cwe":["CWE-863"],"published":"2026-07-30","updated":"2026-07-31","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-67528","references":[{"url":"https://github.com/opf/openproject/commit/a13fa079bc8040449570384c19f2d98f637179f1","label":"security-advisories@github.com"},{"url":"https://github.com/opf/openproject/releases/tag/v17.6.0","label":"security-advisories@github.com"},{"url":"https://github.com/opf/openproject/security/advisories/GHSA-wr3w-qchj-p4cm","label":"security-advisories@github.com"}],"tags":["nvd"],"epss":0.0021,"epssPercentile":0.11468,"ingestedAt":"2026-08-01T22:15:46.302Z","slug":"CVE-2026-67528","body":"## Overview\n\nOpenProject is open-source, web-based project management software. Prior to 17.6.0, GET /api/v3/custom_options/:id resolved CustomOption records by global numeric id and allowed UserCustomField and GroupCustomField options without checking visible(current_user), so authenticated non-admin users could enumerate sequential custom option ids and read labels belonging to admin_only user or group custom fields. This issue is fixed in 17.6.0.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":24,"depthScoreParts":{"impact":23.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}