PT-2026-32026 · Unknown · Chamilo Lms

CVE-2026-33737 · Published 2026-04-10 · Updated 2026-04-10

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Chamilo LMS versions prior to 1.11.38 and prior to 2.0.0-RC.3

Description Chamilo LMS uses the simplexml load string() function without proper XML External Entity (XXE) protection in multiple files. When the LIBXML NOENT flag is not set, this allows an attacker to read arbitrary server files.

Recommendations Update to version 1.11.38 or later. Update to version 2.0.0-RC.3 or later.

Exploit

Fix

XXE

Weakness Enumeration

CWE-611

Related Identifiers

CVE-2026-33737

GHSA-C4WW-QGF2-V89J

Affected Products

Chamilo Lms

References · 8

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33737.json · Exploit
• https://github.com/chamilo/chamilo-lms/commit/af6b7002af7c15825e98fc522e2ead0d00cacaa3 · Patch
• https://github.com/chamilo/chamilo-lms/commit/22b1cb1c609b643765c88654155aba27070c927e · Patch
• https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-c4ww-qgf2-v89j · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2026-33737 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-33737 · Security Note
• https://twitter.com/CVEnew/status/2042710189086802056 · Twitter Post
• https://twitter.com/VulmonFeeds/status/2042741008157340090 · Twitter Post