{"id":"CVE-2026-111626","title":"Webreaper Damselfly through 4.5.3 Missing Authentication on REST API Controllers","summary":"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 /ap…","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvssSource":"cna","cwe":["CWE-306"],"vendor":"Webreaper","product":"Damselfly","affected":["Damselfly <= 4.5.3"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"total","timestamp":"2026-10-16T20:53:24.672344Z"},"published":"2026-10-16","updated":"2026-10-16","sourceUpdated":"2026-10-16T21:19:19.069Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-111626","references":[{"url":"https://hackmd.io/@hieuPenguinnn/damselfly-api-missing-authorization"},{"url":"https://github.com/Webreaper/Damselfly/blob/4.5.3/Damselfly.Web.Server/Controllers/UserManagementController.cs#L8-L53"},{"url":"https://github.com/Webreaper/Damselfly/blob/4.5.3/Damselfly.Web.Server/Program.cs#L238-L242"},{"url":"https://github.com/Webreaper/Damselfly/issues/409"},{"url":"https://www.vulncheck.com/advisories/webreaper-damselfly-through-4.5.3-missing-authentication-on-rest-api-controllers","label":"VulnCheck Advisory: Webreaper Damselfly through 4.5.3 Missing Authentication on REST API Controllers"}],"tags":["cve.org"],"ingestedAt":"2026-10-16T18:43:08.689Z","slug":"CVE-2026-111626","body":"## Overview\n\nWebreaper 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.\n\n## Affected\n\n- `Damselfly <= 4.5.3`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}