Tag: cve 2026 61511
2 articles

vBulletin Flaw Exploits Unpatched Servers
A critical vBulletin security flaw, tracked as CVE-2026-61511, leaves unpatched servers vulnerable to attacks, allowing hackers to execute malicious PHP code and putting forum operators and their communities at risk. This exploit affects vBulletin versions 5.x and 6.x, up to 5.7.5 and 6.2.1, respectively.

Exploit for Patched vBulletin Flaw Disclosed
A newly disclosed exploit for a patched vBulletin flaw shows how an unauthenticated request can be used to execute code on an unpatched forum server, putting vulnerable sites at risk. This security threat was made public on July 27, highlighting the importance of keeping software up to date.