CVE-2026-63102
MEDIUMDescription
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.
How to fix
TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works
Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.
CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Exploit Intelligence
Low risk: more likely to be exploited than 26% of all known CVEs.
References
Related Vulnerabilities
Other CWE-915 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2022-4068 | Medium | 5.4 | 34% | - | Fix |
| CVE-2024-5452 | Critical | 9.8 | 27% | - | Fix |
| CVE-2026-30822 | High | 7.7 | 13% | - | Fix |
| CVE-2026-33453 | Critical | 10.0 | 6.2% | - | - |
| CVE-2026-41277 | High | 8.8 | 3.1% | - | Fix |
| CVE-2022-43441 | High | 8.1 | 2.4% | - | Fix |
Common questions
How do I fix CVE-2026-63102?
Upgrade rconfig to 8.2.8 or later.
Is CVE-2026-63102 being actively exploited?
Not that we know of. CVE-2026-63102 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.33% is the estimated probability that it will be exploited in the next 30 days. That is higher than 26% of all scored CVEs.
How severe is CVE-2026-63102?
CVE-2026-63102 has a CVSS v3 base score of 5.4, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
What does CVE-2026-63102 affect?
Published advisories record a fix for rconfig (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.
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Markdown
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-08-19.