CVE-2026-54223
HIGH EPSS 45.6%
Published Jun 18, 20261w ago · Modified Jun 18, 20261w ago
8.6 CVSS 4.0
Published Jun 18, 2026 1w ago
Last Modified Jun 18, 2026 1w ago
Description
UBB.threads is vulnerable to Path traversal, allowing attackers with privilege to edit templates to read and write any file on the application’s server that application has privileges to, what results in Remote Code Execution. Because vendor contact attempts were unsuccessful, the vulnerability has only been confirmed in version 7.7.5 but may also affect other versions.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/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 Attack Vector Network
Attack Complexity Low
Privileges Required High
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
45.6% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-22 Path Traversal Resource Mgmt
References 2
- cert.pl https://cert.pl/en/posts/2026/06/CVE-2026-54219
- ubbcentral.com https://www.ubbcentral.com/
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.