SB2026032565 - Multiple vulnerabilities in Moodle



SB2026032565 - Multiple vulnerabilities in Moodle

Published: March 25, 2026

Security Bulletin ID SB2026032565
Severity
Medium
Patch available
YES
Number of vulnerabilities 7
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 86% 14%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 7 secuirty vulnerabilities.


1) Improper access control (CVE-ID: CVE-2025-62393)

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to insufficient handling of course access checks in a course overview function. A remote user can gain access to sensitive information.


2) Improper Authentication (CVE-ID: CVE-2025-62398)

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to incorrect handling of some endpoints during login. A remote user can bypass the second factor of multi-factor authentication.


3) Information Exposure Through an Error Message (CVE-ID: CVE-2025-62397)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to inconsistent handling of valid and non-existent course IDs within the router. A remote attacker can determine valid course IDs.


4) Exposure of Information Through Directory Listing (CVE-ID: CVE-2025-62396)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to incorrect error handling in the routing system. A remote attacker can gain unauthorized access to sensitive information on the system.


5) Improper access control (CVE-ID: CVE-2025-62395)

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to external cohort search service method leaks system cohort data. A remote user can bypass implemented security restrictions and gain unauthorized access to sensitive information.


6) Incorrect authorization (CVE-ID: CVE-2025-62394)

The vulnerability allows a remote attacker to bypass authorization process.

The vulnerability exists due to insufficient enrolment checks. A remote user with inactive enrolment in the course can gain access to quiz notifications.


7) Allocation of Resources Without Limits or Throttling (CVE-ID: CVE-2025-54869)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to allocation of resources without limits or throttling in the upstream FPDI library. A remote attacker can cause a denial of service condition on the target system.


Remediation

Install update from vendor's website.