Reference page — cumulative record through Saturday, October 3, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2026-100876
mathurvishal CloudClassroom-PHP-Project loginlinkstudent.php missing authentication
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV
N L N L N L L L 2.1 .0028 18.4 —
AFFECTED
Product Versions Fixed
CloudClassroom-PHP-Project 5dadec098bfbbf3300d60c3494db3fb95b66e7be – —
TIMELINE
Sep 27 Reserved by VulDB
Sep 27 Published (CNA: VulDB)
Sep 30 EXPLOIT PUBLISHED — CVE-2026-100876 (mathurvishal CloudClassroom-PHP-Project). Public exploit reference added.
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.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
|---|
| September 27, 2026 | Reserved | Reserved by VulDB |
| September 27, 2026 | Published | Published (CNA: VulDB) |
| September 30, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-100876 (mathurvishal CloudClassroom-PHP-Project). Public exploit reference added. |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|
| mathurvishal | CloudClassroom-PHP-Project | — | 5dadec098bfbbf3300d60c3494db3fb95b66e7be | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-100876 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Saturday, October 3, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.
