CVE-2026-54223 Details
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.
A path traversal vulnerability has been identified in UBB.threads version 7.7.5, allowing attackers with template editing privileges to read and write any file on the server that the application has access to. This vulnerability can lead to remote code execution. While it has only been confirmed in version 7.7.5, it may also affect other versions.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Jun 18, 2026CISA-ADP
Assessed Jun 18, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://cert.pl/en/posts/2026/06/CVE-2026-54219 | [email protected] | AdvisoryBundleTechnical Description |
| https://www.ubbcentral.com/ | [email protected] | Content WallVendor |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-22 | Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| UBB Systems UBB.threads | <= 7.7.5 (semver) |
CPE
Remediation
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Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 18, 2026 | New CVE Received | [email protected] |
| Jun 18, 2026 | CVE Modified | CISA-ADP |
Volerion