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    CVE-2026-31940

    Chamilo LMS is a learning management system. Prior to 1.11.38 and 2.0.0-RC.3, in main/lp/aicc_hacp.php, user-controlled request parameters are directly used to set the PHP session ID before loading global bootstrap. This leads to session fixation. This vulnerability is fixed in 1.11.38 and 2.0.0-RC.3.

    Published:Apr 10, 2026
    Last Modified:Apr 17, 2026
    EPS:Apr 10, 2026
    EPSS Score:0.00039
    CVSS Score:7.5

    Affected Products

    Vendor
    Chamilo
    Product
    Chamilo Lms

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-384 Session Fixation

    Related CVEs

    CVE-2026-34239 (CVSS 7.5) — Chamilo version 1.11.40 and earlier are vulnerable to authenticated remote code execution in the main/inc/ajax…
    CVE-2026-39878 (CVSS 9.3) — Chamilo LMS versions 1.11.38 and earlier contain a stored cross-site scripting vulnerability in the user regis…
    CVE-2026-40291 (CVSS 8.8) — Chamilo LMS is an open-source learning management system. In versions prior to 2.0.0-RC.3, an insecure direct …
    CVE-2026-35196 (CVSS 8.8) — Chamilo LMS is an open-source learning management system. In versions prior to 2.0.0-RC.3, an OS Command Injec…
    CVE-2026-34602 (CVSS 7.1) — Chamilo LMS is an open-source learning management system. In versions prior to 2.0.0-RC.3, the /api/course_rel…
    CVE-2026-34370 (CVSS 6.5) — Chamilo LMS is an open-source learning management system. In versions prior to 2.0.0-RC.3, the notebook module…
    CVE-2026-34161 (CVSS 5.1) — Chamilo LMS is an open-source learning management system. In versions prior to 2.0.0-RC.3, a Stored Cross-Site…
    CVE-2026-34160 (CVSS 8.6) — Chamilo LMS is an open-source learning management system. In versions prior to 2.0.0-RC.3, the PENS (Package E…
    CVE-2026-33715 (CVSS 7.2) — Chamilo LMS is an open-source learning management system. In version 2.0-RC.2, the file public/main/inc/ajax/i…
    CVE-2026-33714 (CVSS 7.1) — Chamilo is an open-source learning management system (LMS). Version 2.0.0-RC.2 contains a SQL Injection vulner…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High