SB2026050523 - Multiple vulnerabilities in

Description

This security bulletin contains information about 2 vulnerabilities.

1) Session Fixation (CVE-ID: CVE-2026-31940)

CWE-ID: CWE-384 - Session Fixation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the session fixation issue in the aicc_hacp.php file. A remote attacker can gain elevated privileges on the target system.

2) Server-Side Request Forgery (SSRF) (CVE-ID: CVE-2026-31941)

CWE-ID: CWE-918 - Server-Side Request Forgery (SSRF)

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N/E:U/U:Green

The disclosed vulnerability allows a remote attacker to perform SSRF attacks.

The vulnerability exists due to insufficient validation of user-supplied input in the Social Wall feature. A remote user can send a specially crafted HTTP request and trick the application to initiate requests to arbitrary systems.

Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.

Remediation

Install update from vendor's website.

References

• https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-4gp7-cfjh-77gv
• https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-q74c-mx8x-489h