CVE-2026-111626 Webreaper Damselfly through 4.5.3 Missing Authentication on REST API Controllers

Critical 9.3 Published Updated

Unauthenticated attackers can access REST API endpoints to create admin accounts or reset passwords, gaining full control of the application.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-111626?

CVE-2026-111626 is a critical missing authorization vulnerability in Webreaper Damselfly, published on 16 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-306

Which versions are affected by CVE-2026-111626?

How do I fix CVE-2026-111626?

No fix has been published for CVE-2026-111626 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-111626 being exploited?

There is no known exploitation of CVE-2026-111626 in the wild and no public exploit code.

Sources

Also known as GHSA-p952-wg9v-vp35.

Is CVE-2026-111626 in your software?

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