Medium severity · published Sep 27, 2026
CVE-2026-100876
mathurvishal CloudClassroom-PHP-Project loginlinkstudent.php missing authentication
6.3
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 27% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CL
CloudClassroom-PHP-Project · mathurvishal
5dadec098bfbbf3300d60c3494db3fb95b66e7be · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-100876
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-100876
vdb-entry
https://vuldb.com/vuln/410806
signature
https://vuldb.com/vuln/410806/cti
third-party-advisory
https://vuldb.com/cve/CVE-2026-100876
third-party-advisory
https://vuldb.com/submit/915442
exploit
https://github.com/rmsbpro/Advisory/blob/main/broken-role-segregation.md
More from CloudClassroom-PHP-Project
9.8
CVE-2026-2058
mathurvishal CloudClassroom-PHP-Project Post Query Details postquerypublic.php sql injection
7.3
CVE-2026-101013
mathurvishal CloudClassroom-PHP-Project updateresultdetails.php sql injection
7.3
CVE-2026-101012
mathurvishal CloudClassroom-PHP-Project makeresult.php sql injection
7.3
CVE-2026-100875
mathurvishal CloudClassroom-PHP-Project updatedetailsfromfaculty.php sql injection
7.3
CVE-2026-100874
mathurvishal CloudClassroom-PHP-Project addnewstudent.php sql injection
