https://vulnerability.circl.lu/sightings/feed 2026-07-01T12:45:20.399122+00:00 Vulnerability-Lookup info@circl.lu python-feedgen Contains only the most 10 recent sightings. https://vulnerability.circl.lu/sighting/55e880ed-ff88-4984-99a9-4669108f2566/export 2026-07-01T12:45:20.421234+00:00 Automation user https://cve.circl.lu/user/automation {"uuid": "55e880ed-ff88-4984-99a9-4669108f2566", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-51923", "type": "seen", "source": "https://gist.github.com/ZeroBreach-GmbH/f582fe0ded3bcccead7a7e90fca8c107", "content": "##### Description\n\nAn Insecure Direct Object Reference (IDOR) vulnerability exists in the application\u2019s user management functionality that allows an authenticated attacker to modify or retrieve sensitive data associated with other users\u2019 accounts.\n\n##### Details\n\n* **Product:** docuForm FSM Server\n* **Affected Versions:** 11.11c\n* **Vulnerability Type:** CWE-639: Authorization Bypass Through User-Controlled Key\n* **Risk Level:** High - CVSS 3.1: 8.1 (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N)\n* **Vendor URL:** www.docuform.de\n* **Vendor acknowledged vulnerability:** Yes\n* **CVE:** CVE-2026-51923\n\n##### Impact\n\nAn authenticated attacker who exploits this IDOR\u2011based vulnerability can gain full control over other users\u2019 accounts, resulting in account takeover.\n\n##### References\n\n* [National Vulnerability Database CVE-2026-51923](https://nvd.nist.gov/vuln/detail/CVE-2026-51923)\n* [ZeroBreach GmbH - CVE-2026-51923](https://zerobreach.de/blog/security-advisories/CVE-2026-51923.html)\n\n##### Timeline\n\n* **2025-10:** Vulnerability reported to the vendor.\n* **2025-11:** Vendor published a fix for the issue.\n* **2026-06:** Information about the vulnerability is published.\n\n##### Credits\n\n* Bastian Recktenwald ([Bastian.Recktenwald@ZeroBreach.de](mailto:Bastian.Recktenwald@ZeroBreach.de))", "creation_timestamp": "2026-07-01T08:44:39.256275Z"} 2026-07-01T08:44:39.256275+00:00