Vulnerability · Published Sep 27, 2026 · Assigned by VulDB
CVE-2026-100876mathurvishal CloudClassroom-PHP-Project loginlinkstudent.php missing authentication
Medium 6.3
In plain English
A medium-severity missing authentication in CloudClassroom-PHP-Project from mathurvishal. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 28% of all known vulnerabilities).
Official description
A vulnerability was found in mathurvishal CloudClassroom-PHP-Project up to 5dadec098bfbbf3300d60c3494db3fb95b66e7be. Affected is an unknown function of the file loginlinkstudent.php. Performing a manipulation of the argument umail results in missing authentication. Remote exploitation of the attack is possible. The exploit has been made public and could be used. This product follows a rolling release approach for continuous delivery, so version details for affected or updated releases are not provided. The vendor was contacted early about this disclosure but did not respond in any way.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| mathurvishal | CloudClassroom-PHP-Project | 5dadec098bfbbf3300d60c3494db3fb95b66e7be |
Weakness: CWE-306, CWE-287 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C
References
- VDB-410806 | mathurvishal CloudClassroom-PHP-Project loginlinkstudent.php missing authentication vdb-entry, technical-description
- VDB-410806 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- CVE-2026-100876 | CVE Analysis and Report third-party-advisory
- Submit #915442 | https://github.com/mathurvishal/CloudClassroom-PHP-Project CloudClassroom-PHP-Project 5dadec098bfbbf3300d60c3494db3fb95b66e7be Missing Authorization third-party-advisory
- https://github.com/rmsbpro/Advisory/blob/main/broken-role-segregation.md exploit