CVE-2026-100876

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.

CVSS 4.0

2.1CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

CVSS 3.1

6.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

EPSS

0.3% chance of exploitation in the next 30 days; higher than 27% of CVEs (scores of 2026-10-25)

CWEs

CWE-287, CWE-306

Published

2026-09-27

Modified

2026-09-30

Record from

the NVD, synced 2026-10-19

References

• https://github.com/rmsbpro/Advisory/blob/main/broken-role-segregation.md
• https://vuldb.com/cve/CVE-2026-100876
• https://vuldb.com/submit/915442
• https://vuldb.com/vuln/410806
• https://vuldb.com/vuln/410806/cti

Check your stackJSON