PT-2026-50673 · Ubb Systems · Ubb.Threads

Kamil Szczurowski + 1 · Published 2026-06-18 · Updated 2026-06-18 · CVE-2026-54224

Positive Technologies (AI Summary)

CVSS v4.0

7.1

High

Base vector

AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Name of the Vulnerable Software and Affected Versions UBB.threads version 7.7.5

Description An authenticated attacker can cause a Denial of Service (DoS) by sending multiple concurrent requests to view user profiles. On instances with a large number of registered users, this action exhausts database resources, resulting in a complete loss of application access for other users.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Weakness Enumeration

CWE-405

Related Identifiers

CVE-2026-54224

Affected Products

Ubb.Threads

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-54224 · Security Note
• https://twitter.com/VulmonFeeds/status/2067635098481029289 · Twitter Post
• https://ubbcentral.com · Note
• https://cert.pl/en/posts/2026/06/CVE-2026-54219 · Note