CVE-2026-54223
Remote Code Execution via arbitrary file read and write in UBB.threads
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.
INFO
Published Date :
June 18, 2026, 12:56 p.m.
Last Modified :
June 18, 2026, 12:56 p.m.
Remotely Exploit :
Yes !
Source :
CERT-PL
Affected Products
The following products are affected by CVE-2026-54223
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | HIGH | 4bb8329e-dd38-46c1-aafb-9bf32bcb93c6 |
Solution
- Apply vendor patches or updates when available.
- Restrict template editing privileges.
- Sanitize all file path inputs.
- Monitor file system access logs.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-54223 vulnerability anywhere in the article.
-
cert.pl
Vulnerabilities in UBB.threads software
Vulnerabilities in UBB.threads software CVE ID CVE-2026-54219 Publication date 18 June 2026 Vendor UBB Systems Product UBB.threads Vulnerable versions All through 7.7.5 Vulnerability type (CWE) Improp ... Read more