CVE-2026-77915

critical · 9.3

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.

9.3

CVSS

0.8%

EPSS (exploit prob.)

55th

EPSS percentile

2026-08-24

Published

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weaknesses

CWE-306CWE-1188

References

https://github.com/rconfig/rconfig/releases#release-core-8.2.10
https://github.com/rconfig/rconfig/security/advisories/GHSA-w3hx-9cxg-5ccr
https://www.vulncheck.com/advisories/rconfig-unauthorized-admin-registration-via-web-php

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-77915