Description
MCP Atlassian is a Model Context Protocol (MCP) server for Atlassian products (Confluence and Jira). Prior to version 0.17.0, the `confluence_download_attachment` MCP tool accepts a `download_path` parameter that is written to without any directory boundary enforcement. An attacker who can call this tool and supply or access a Confluence attachment with malicious content can write arbitrary content to any path the server process has write access to. Because the attacker controls both the write destination and the written content (via an uploaded Confluence attachment), this constitutes for arbitrary code execution (for example, writing a valid cron entry to `/etc/cron.d/` achieves code execution within one scheduler cycle with no server restart required). Version 0.17.0 fixes the issue.
INFO
Published Date :
2026-03-10T18:53:41.964Z
Last Modified :
2026-03-10T19:52:28.824Z
Source :
GitHub_M
AFFECTED PRODUCTS
The following products are affected by CVE-2026-27825 vulnerability.
| Vendors | Products |
|---|---|
| Mcp-atlassian |
|
| Sooperset |
|
REFERENCES
Here, you will find a curated list of external links that provide in-depth information to CVE-2026-27825.
