Path Traversal in Hubzero Hubzero-Cms
CVE-2026-92970
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.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.008 (57.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 57.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
Weakness classification (CWE)
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/connect… (technical-description)
- github.com/hubzero/hubzero-cms/blob/v2.2.32/core/libraries/Hubzero/Filesystem/E… (technical-description)
- github.com/hubzero/hubzero-cms/blob/v2.2.32/core/components/com_projects/api/co… (technical-description)
- github.com/hubzero/hubzero-cms (product)
- www.vulncheck.com/advisories/hubzero-cms-through-2.2.32-path-traversal-via-file… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-92970?
- CVE-2026-92970 is a high-severity vulnerability in Hubzero Hubzero-Cms, classified under Path Traversal. CVSS score: 8.8/10. Published 2026-09-17.
- How severe is CVE-2026-92970?
- High severity. CVSS v3 base score is 8.8 out of 10.