CVE-2026-5537

A security vulnerability has been detected in halex CourseSEL up to 1.1.0. Affected by this vulnerability is the function check_sel of the file Apps/Index/Controller/IndexController.class.php of the component HTTP GET Parameter Handler. The manipulation of the argument seid leads to sql injection. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

• CWE-74
• CWE-89

• https://github.com/zy606/Vulnerability-Report/tree/main/CourseSEL-SQLi
• https://vuldb.com/submit/782202
• https://vuldb.com/vuln/355290
• https://vuldb.com/vuln/355290/cti

Published

Apr 5, 2026

Last Modified

Jul 24, 2026

Status

Deferred

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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