CVE-2026-34160: Chamilo LMS is an open-source learning management system

Q: How do I fix CVE-2026-34160?

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

Q: Is CVE-2026-34160 being exploited?

CVE-2026-34160 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-2026-34160 affect?

CVE-2026-34160 affects chamilo lms. Severity is high (CVSS 8.6). Chamilo LMS is an open-source learning management system. In versions prior to 2.0.0-RC.3, the PENS (Package Exchange Notification Services) plugin endpoint at public/plugin/Pens/pens.php is accessible without authentication and accepts a u

Q: How urgent is CVE-2026-34160?

Priority 42/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 8.6REMOTEUPGRADE

CVE-2026-34160 is a high-severity flaw (CVSS 8.6) affecting chamilo lms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Chamilo LMS is an open-source learning management system. In versions prior to 2.0.0-RC.3, the PENS (Package Exchange Notification Services) plugin endpoint at public/plugin/Pens/pens.php is accessible without authentication and accepts a user-controlled package-url parameter that the server fetches using curl without filtering private or internal IP addresses, enabling unauthenticated Server-Side Request Forgery (SSRF). An attacker can exploit t

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	8.6 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 72%)
CISA exploited list	No
Weakness	CWE-306, CWE-918
Published	2026-04-14
Last modified	2026-07-24

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

Last updated 2026-07-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-14 21:16 UTCPublished CVE record published
2026-07-24 22:10 UTCUpdated Record last modified

chamilo chamilo lms UPGRADE

Affected: <= 1.11.38 · 2.0.0 alpha1 · 2.0.0 alpha2 · 2.0.0 alpha3 · 2.0.0 alpha4 · 2.0.0 alpha5 · 2.0.0 beta1 · 2.0.0 beta2

Fixed in: newer than 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 newer than 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-2026-34160?

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

Is CVE-2026-34160 being exploited?

CVE-2026-34160 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-2026-34160 affect?

CVE-2026-34160 affects chamilo lms. Severity is high (CVSS 8.6). Chamilo LMS is an open-source learning management system. In versions prior to 2.0.0-RC.3, the PENS (Package Exchange Notification Services) plugin endpoint at public/plugin/Pens/pens.php is accessible without authentication and accepts a u

How urgent is CVE-2026-34160?

Priority 42/100. High severity; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities · curl vulnerabilities

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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