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CVE-2026-33707

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CVE-2026-33707

Published: Apr 10, 2026

Modified: Apr 13, 2026

PUBLISHED

CVSS v3.1

9.4

CRITICAL

Description

Chamilo LMS is a learning management system. Prior to 1.11.38 and 2.0.0-RC.3, the default password reset mechanism generates tokens using sha1($email) with no random component, no expiration, and no rate limiting. An attacker who knows a user's email can compute the reset token and change the victim's password without authentication. This vulnerability is fixed in 1.11.38 and 2.0.0-RC.3.

VendorProductVersions

chamilo

chamilo-lms

affected
< 1.11.38
affected
>= 2.0.0-alpha.1, < 2.0.0-RC.3

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

Low

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