CVE-2026-92970 json
HUBzero CMS through 2.2.32 Path Traversal via File Upload
published 2026-09-17 53 d ago modified 2026-09-22 47 d ago also EUVD-2026-81579
- cvss
- 8.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 57%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 51 d ago
Exploit prediction
0.82% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 8.7 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| CNA | 4.0 | 8.7 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
Affected products
- hubzero hubzero-cms
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
github.com
/hubzero/hubzero-cms/commit/4a58215463e5d42f8d03567358171383da939946
patch
-
github.com
/hubzero/hubzero-cms/commit/5b4c4aefedf647390465cdfd0e7fa626c3e1cb39
patch
-
github.com
/hubzero/hubzero-cms/blob/v2.2.32/core/plugins/projects/files/connections.php#L812-L815
technical-description
-
github.com
/hubzero/hubzero-cms/blob/v2.2.32/core/libraries/Hubzero/Filesystem/Entity.php#L53-L73
technical-description
-
github.com
/hubzero/hubzero-cms/blob/v2.2.32/core/components/com_projects/api/controllers/filesv1_0.php#L809-L880
technical-description
-
github.com
/hubzero/hubzero-cms
product
-
vulncheck.com
/advisories/hubzero-cms-through-2.2.32-path-traversal-via-file-upload
third-party-advisory
Sources
- CVE List CVE-2026-92970
- NVD CVE-2026-92970
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