Vulnerability · Published Sep 17, 2026 · Assigned by VulnCheck
CVE-2026-92970HUBzero CMS through 2.2.32 Path Traversal via File Upload
High 8.8
In plain English
A high-severity path traversal in hubzero-cms from hubzero. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 57% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.8%top 42.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
HUBzero CMS through 2.2.32 contains a path traversal vulnerability in project file upload handlers that allows authenticated project members to write arbitrary files outside the project repository. Attackers can supply traversal sequences in upload parameters to write files to attacker-chosen paths with web server privileges, potentially enabling code execution.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| hubzero | hubzero-cms | 0 – through 2.2.32 |
Weakness: CWE-22 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- Patch Commit patch
- https://github.com/hubzero/hubzero-cms/commit/5b4c4aefedf647390465cdfd0e7fa626c3e1cb39 patch
- https://github.com/hubzero/hubzero-cms/blob/v2.2.32/core/plugins/projects/files/connections.php#L812-L815 technical-description
- https://github.com/hubzero/hubzero-cms/blob/v2.2.32/core/libraries/Hubzero/Filesystem/Entity.php#L53-L73 technical-description
- https://github.com/hubzero/hubzero-cms/blob/v2.2.32/core/components/com_projects/api/controllers/filesv1_0.php#L809-L880 technical-description
- https://github.com/hubzero/hubzero-cms product
- VulnCheck Advisory: HUBzero CMS through 2.2.32 Path Traversal via File Upload third-party-advisory