{"id":"CVE-2026-111626","summary":"Webreaper Damselfly through 4.5.3 Missing Authentication on REST API Controllers","details":"Webreaper Damselfly through 4.5.3 contains an authentication bypass vulnerability that allows unauthenticated attackers to access all /api/* routes because controller authorization attributes are commented out. Attackers can send PUT /api/users with Admin roles to create administrator accounts, or POST /api/users to reset any user's password, gaining full control.","modified":"2026-10-17T10:30:49.990890484Z","published":"2026-10-16T17:39:01.458Z","database_specific":{"cna_assigner":"VulnCheck","cwe_ids":["CWE-306"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111626.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111626.json"},{"type":"PACKAGE","url":"https://github.com/Webreaper/Damselfly"},{"type":"ARTICLE","url":"https://github.com/Webreaper/Damselfly/blob/4.5.3/Damselfly.Web.Server/Controllers/UserManagementController.cs#L8-L53"},{"type":"ARTICLE","url":"https://github.com/Webreaper/Damselfly/blob/4.5.3/Damselfly.Web.Server/Program.cs#L238-L242"},{"type":"REPORT","url":"https://github.com/Webreaper/Damselfly/issues/409"},{"type":"ADVISORY","url":"https://hackmd.io/@hieuPenguinnn/damselfly-api-missing-authorization"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-111626"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/webreaper-damselfly-through-4.5.3-missing-authentication-on-rest-api-controllers"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/webreaper/damselfly","events":[{"introduced":"0"},{"last_affected":"e110926104cc93d3c87a9617ba7ab4ae70dbb216"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"last_affected":"4.5.3"}],"source":"AFFECTED_FIELD"}}],"versions":["4.6.0","4.5.3","4.5.1","4.5.0","4.4.0","4.3.0","4.2.3","4.2.2","4.2.1","4.2.0","4.1.3","4.1.2","4.1.1","4.1.0","4.0.8","4.0.7","4.0.6","4.0.5","4.0.3","4.0.2","4.0.1","4.0.0","3.0.0","2.9.6-beta","2.9.5-beta","2.9.4-beta","2.9.3-beta","2.9.2-beta","2.9.1-beta","2.9.0-beta","2.8.2-beta","2.8.1-beta","2.8.0-beta","2.7.0-beta","2.6.0-beta","2.5.2-beta","2.5.1-beta","2.5.0-beta","2.4.0-beta","2.3.0-beta","2.2.3-beta","2.2.2-beta","2.2.1-beta","2.2.0-beta","2.1.3-beta","2.1.2-beta","2.1.1-beta","2.1.0-beta","2.0.0-beta","1.7.6-beta","1.7.3-beta","1.7.0-beta","1.6.7-beta","1.6.6-beta","1.6.5-beta","1.6.4-beta","1.6.1-beta","1.3.14-beta","1.3.13-beta","1.3.6-release","1.3.6-beta","1.2.45","1.2.43-beta","1.2.36","1.2.10-beta","1.2.0-beta","1.0.83"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-111626.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}]}