rConfig up to 8.2.7 StoreUserRequest role improper authorization

Summaryinfo

A vulnerability classified as critical has been found in rConfig up to 8.2.7. Affected by this issue is some unknown functionality of the component StoreUserRequest. The manipulation of the argument role leads to improper authorization. This vulnerability is referenced as CVE-2026-63102. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in rConfig up to 8.2.7. It has been rated as critical. This issue affects some unknown processing of the component StoreUserRequest. The manipulation of the argument role with an unknown input leads to a improper authorization vulnerability. Using CWE to declare the problem leads to CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

rConfig 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.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-63102 since 07/15/2026. The exploitation is known to be easy. The attack may be initiated remotely. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1548.002 for this issue.

Upgrading to version 8.2.8 eliminates this vulnerability.

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Productinfo

Name

• rConfig

Version

• 8.2.0
• 8.2.1
• 8.2.2
• 8.2.3
• 8.2.4
• 8.2.5
• 8.2.6
• 8.2.7

License

• open-source

Website

• Product: https://github.com/rconfig/rconfig/

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