CVE-2026-77915 rConfig Core 8.0.0 < 8.2.10 Unauthorized Admin Registration via web.php

Critical 9.3 Published Updated

Unauthenticated attackers can register admin accounts due to a routing error, gaining full access to device credentials and user data.

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-2026-77915?

CVE-2026-77915 is a critical authentication bypass vulnerability in rconfig, published on 24 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

rConfig Core 8.0.0 before 8.2.10 contains an authentication bypass vulnerability that allows unauthenticated attackers to self-register accounts with full Administrator privileges due to a duplicate bare Auth::routes() call in routes/web.php that re-enables the POST /register route after it was explicitly disabled. Attackers can register a new account that is immediately authenticated with Admin-level access because the registration controller does not assign a role and the users.role column defaults to Admin, enabling access to stored device credentials, user data, and API token issuance.

Weakness: CWE-306, CWE-1188

Which versions are affected by CVE-2026-77915?

How do I fix CVE-2026-77915?

No fix has been published for CVE-2026-77915 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2026-77915 being exploited?

There is no known exploitation of CVE-2026-77915 in the wild and no public exploit code.

Sources

Also known as GHSA-3xhw-7rxv-vwc7, GHSA-w3hx-9cxg-5ccr.

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