CVE-2024-50337: Chamilo: Potential unauthenticated blind SSRF via openid function

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-03-02 · updated 2026-06-17
Weakness: CWE-918

Description

Chamilo is a learning management system. Prior to version 1.11.28, the OpenId function allows anyone to send requests to any URL on server's behalf, which results in unauthenticated blind SSRF. This issue has been patched in version 1.11.28.

Affected products

chamilo-lms: before 1.11.28 — fixed in 1.11.28

How to fix

Upgrade to a fixed version: chamilo-lms 1.11.28. Check the vendor advisory for mitigations.

References

https://github.com/chamilo/chamilo-lms/commit/43a9bd1fb8b3f57e7935a6a6bc48975e2063b01b
https://github.com/chamilo/chamilo-lms/releases/tag/v1.11.28
https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-rp2w-g734-jf8h

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