What is CVE-2026-33705?

CVE-2026-33705 is a medium-severity vulnerability in Chamilo Chamilo-Lms, classified under Insertion of Sensitive Information into Externally-Accessible File or Directory. CVSS score: 5.3/10. Published 2026-04-10.

How severe is CVE-2026-33705?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Information disclosure in Chamilo Chamilo-Lms

CVE-2026-33705

Chamilo LMS is a learning management system. Prior to 1.11.38, Twig template files (.tpl) under /main/template/default/ are directly accessible without authentication via HTTP GET requests. These templates expose internal application logic, variable names, AJAX endpoint URLs, and admin panel structure. This vulnerability is fixed in 1.11.38.

Published 2026-04-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (33.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 33.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.002

Affected products

Chamilo Chamilo-Lms — versions < 1.11.38
Chamilo Lms

Weakness classification (CWE)

CWE-538 — Insertion of Sensitive Information into Externally-Accessible File or Directory

References

github.com/chamilo/chamilo-lms/security/advisories/GHSA-5wjg-8x28-px57 (Vendor Advisory)
github.com/chamilo/chamilo-lms/commit/4efb5ee8ed849ca147ca1fe7472ef7b98db17bff (Patch)

Frequently asked questions

What is CVE-2026-33705?: CVE-2026-33705 is a medium-severity vulnerability in Chamilo Chamilo-Lms, classified under Insertion of Sensitive Information into Externally-Accessible File or Directory. CVSS score: 5.3/10. Published 2026-04-10.
How severe is CVE-2026-33705?: Medium severity. CVSS v3 base score is 5.3 out of 10.