CVE-2026-33707

April 10, 2026, 7:16 p.m.

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.

Product(s) Impacted

Vendor Product Versions
Chamilo
  • Chamilo Lms
  • 1.11.38, 2.0.0-RC.3

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-640
Weak Password Recovery Mechanism for Forgotten Password
The product contains a mechanism for users to recover or change their passwords without knowing the original password, but the mechanism is weak.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a chamilo chamilo_lms 1.11.38 / / / / / / /
a chamilo chamilo_lms 2.0.0-RC.3 / / / / / / /

CVSS Score

9.4 / 10

CVSS Data - 3.1

  • Attack Vector: NETWORK
  • Attack Complexity: LOW
  • Privileges Required: NONE
  • Scope: UNCHANGED
  • Confidentiality Impact: HIGH
  • Integrity Impact: HIGH
  • Availability Impact: LOW
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L

    View Vector String

Timeline

Published: April 10, 2026, 7:16 p.m.
Last Modified: April 10, 2026, 7:16 p.m.

Status : Received

CVE has been recently published to the CVE List and has been received by the NVD.

More info

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.