CVE-2026-33705: Chamilo LMS is a learning management system

Q: How do I fix CVE-2026-33705?

chamilo lms: upgrade to 1.11.38. Exact commands for each OS are on this page.

Q: Is CVE-2026-33705 being exploited?

CVE-2026-33705 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-33705 affect?

CVE-2026-33705 affects chamilo lms. Severity is medium (CVSS 5.3). 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,

Q: How urgent is CVE-2026-33705?

Priority 27/100. Remotely exploitable, no login, no user action

Routine

MEDIUM 5.3REMOTEUPGRADE

CVE-2026-33705 is a medium-severity flaw (CVSS 5.3) affecting chamilo lms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.2% (top 84%)
CISA exploited list	No
Weakness	CWE-538
Published	2026-04-10
Last modified	2026-10-26

Publisher (CNA): GitHub, Inc. · Vendor: chamilo

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-10 19:16 UTCPublished CVE record published
2026-10-26 21:10 UTCUpdated Record last modified

chamilo chamilo lms UPGRADE

Affected: < 1.11.38

Fixed in: 1.11.38

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy chamilo-lms || rpm -q chamilo-lms || chamilo-lms --version

2. UPGRADE to 1.11.38 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade chamilo-lms

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade chamilo-lms

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-33705?

chamilo lms: upgrade to 1.11.38. Exact commands for each OS are on this page.

Is CVE-2026-33705 being exploited?

CVE-2026-33705 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-33705 affect?

CVE-2026-33705 affects chamilo lms. Severity is medium (CVSS 5.3). 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,

How urgent is CVE-2026-33705?

Priority 27/100. Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-32894 HIGH 7.1 UPGRADE Chamilo LMS is a learning management system
CVE-2026-31940 HIGH 7.5 UPGRADE Chamilo LMS is a learning management system
CVE-2026-31941 HIGH 7.7 UPGRADE Chamilo LMS is a learning management system
CVE-2026-33702 HIGH 7.1 UPGRADE Chamilo LMS is a learning management system
CVE-2026-33736 MEDIUM 6.5 DOWNGRADE Chamilo LMS is a learning management system

References

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