Critical severity9.8NVD Advisory· Published Oct 16, 2026· Updated Oct 16, 2026
CVE-2026-111626
CVE-2026-111626
Description
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.
Affected products
1Patches
Vulnerability mechanics
References
5- github.com/Webreaper/Damselfly/blob/4.5.3/Damselfly.Web.Server/Controllers/UserManagementController.csnvd
- github.com/Webreaper/Damselfly/blob/4.5.3/Damselfly.Web.Server/Program.csnvd
- github.com/Webreaper/Damselfly/issues/409nvd
- hackmd.io/@hieuPenguinnn/damselfly-api-missing-authorizationnvd
- www.vulncheck.com/advisories/webreaper-damselfly-through-4.5.3-missing-authentication-on-rest-api-controllersnvd
News mentions
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