CVE-2026-33737

MEDIUM EPSS 12.4%
Published Apr 10, 20262mo ago · Modified Jun 17, 20262w ago
6.5 CVSS 3.1
Medium
Find Similar
Published Apr 10, 2026 2mo ago
Last Modified Jun 17, 2026 2w ago

Description

Chamilo LMS is a learning management system. Prior to 1.11.38 and 2.0.0-RC.3, multiple files use simplexml_load_string() without XXE protection. With LIBXML_NOENT flag, arbitrary server files can be read. This vulnerability is fixed in 1.11.38 and 2.0.0-RC.3.

CVSS Details

Base Score
6.5
Exploitability
2.8
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity None
Availability None

Threat Intelligence

EPSS Exploit Probability
12.4% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-611

Affected Products 11

VendorProductVersionRange
chamilochamilo_lms* <1.11.38
chamilochamilo_lms2.0.0any
chamilochamilo_lms2.0.0any
chamilochamilo_lms2.0.0any
chamilochamilo_lms2.0.0any
chamilochamilo_lms2.0.0any
chamilochamilo_lms2.0.0any
chamilochamilo_lms2.0.0any
chamilochamilo_lms2.0.0any
chamilochamilo_lms2.0.0any
chamilochamilo_lms2.0.0any

References 3

  • github.com https://github.com/chamilo/chamilo-lms/commit/22b1cb1c609b643765c88654155aba27070c927e
    Patch
  • github.com https://github.com/chamilo/chamilo-lms/commit/af6b7002af7c15825e98fc522e2ead0d00cacaa3
    Patch
  • github.com https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-c4ww-qgf2-v89j
    Vendor Advisory

Remediation

  • github.com https://github.com/chamilo/chamilo-lms/commit/22b1cb1c609b643765c88654155aba27070c927e
    Patch
  • github.com https://github.com/chamilo/chamilo-lms/commit/af6b7002af7c15825e98fc522e2ead0d00cacaa3
    Patch