High severity · published Sep 17, 2026
CVE-2026-92970
HUBzero CMS through 2.2.32 Path Traversal via File Upload
8.8
CVSS
0.8%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 57% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HU
hubzero-cms · hubzero
through 2.2.32 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-92970
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-92970
github.com
https://github.com/hubzero/hubzero-cms
github.com
https://github.com/hubzero/hubzero-cms/blob/v2.2.32/core/components/com_projects/api/controllers/filesv1_0.php#L809-L880
github.com
https://github.com/hubzero/hubzero-cms/blob/v2.2.32/core/libraries/Hubzero/Filesystem/Entity.php#L53-L73
github.com
https://github.com/hubzero/hubzero-cms/blob/v2.2.32/core/plugins/projects/files/connections.php#L812-L815
github.com
https://github.com/hubzero/hubzero-cms/commit/4a58215463e5d42f8d03567358171383da939946
github.com
https://github.com/hubzero/hubzero-cms/commit/5b4c4aefedf647390465cdfd0e7fa626c3e1cb39
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