CVE-2026-63102 rConfig Core < 8.2.8 Privilege Escalation via Users API role field
Authenticated users can escalate privileges to Admin by manipulating the role field in the Users API due to missing validation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-63102?
CVE-2026-63102 is a medium-severity vulnerability in rConfig v8 Core, published on 20 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
rConfig Core before 8.2.8 contains a privilege escalation vulnerability that allows authenticated users to assign arbitrary roles to any account by submitting an unvalidated role field through the Users API during user creation or profile updates. Attackers can exploit the missing allowlist validation and absent admin-level authorization check in StoreUserRequest to mass-assign the Admin role directly to the User model, granting access to privileged features. rConfig Pro and Enterprise are not affected.
Weakness: CWE-915
Which versions are affected by CVE-2026-63102?
It affects 1 product.
Products include Rconfig Rconfig.
How do I fix CVE-2026-63102?
No fix has been published for CVE-2026-63102 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-63102 being exploited?
There is no known exploitation of CVE-2026-63102 in the wild and no public exploit code.
Other vulnerabilities in rConfig v8 Core
Sources
Also known as GHSA-h4rq-p45c-642r.