Patch Forecast
Amber warning
Patch this week.

CVE-2026-118090

Subscriber PHP Object Injection in MasterStudy LMS <= 3.7.55 versions.

Risk score
63/100
CVSS
8.8 v3.1
Published
30 Oct 2026

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What to know

What it is
A high-severity vulnerability (CVSS 8.8) exists in MasterStudy LMS versions <= 3.7.55 due to Subscriber PHP Object Injection, allowing an attacker to potentially gain high-level access and perform various malicious actions.
Affected
{'products': ['MasterStudy LMS'], 'packages': [], 'versions': ['<= 3.7.55']}
Fix
Check the linked advisory for the concrete fix, as it is not provided in this record.
Exploitation
No known exploitation

Why it is Amber

  • CVSS 8.8 high
  • On your watchlist: php

References

Original description

Subscriber PHP Object Injection in MasterStudy LMS <= 3.7.55 versions.

Last activity 30 Oct 2026. Patch Forecast updates every hour.