CVE-2026-54223
Remote Code Execution via arbitrary file read and write in UBB.threads
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-22 |
| Vendor | ubb systems |
| Product | ubb.threads |
| Published | Jun 18, 2026 |
| Last Updated | Jun 18, 2026 |
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Affected Versions
UBB Systems / UBB.threads
0 ≤ 7.7.5
References
Credits
Kamil Szczurowski (Securitum) Michał Wnękowicz (Securitum)