EUVD-2026-61051

MyBB is free and open source forum software. Prior to 1.8.40, the remote requests feature does not correctly handle IPv6 addresses, resulting in a server-side request forgery vulnerability. The default disallowed remote hosts list does not include IPv6 addresses. Verification in fetchremotefile...

CVE-2016-9417

The fetchremotefile function in MyBB aka MyBulletinBoard before 1.8.8 and MyBB Merge System before 1.8.8 allows remote attackers to conduct server-side request forgery SSRF attacks via unspecified vectors...