Is mcp-atlassian affected by CVE-2026-27825?

PyPI mcp-atlassian is affected in <0.17.0.

Is CVE-2026-27825 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 2.3%.

critical

CVE-2026-27825

Q: Is CVE-2026-27825 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 2.3%.

PyPI · mcp-atlassian

Summary

MCP Atlassian has an arbitrary file write leading to arbitrary code execution via unconstrained download_path in confluence_download_attachment

Severity: critical
EPSS: 2.3% (p81)
Also known as: GHSA-xjgw-4wvw-rgm4
Published: 2026-03-10

References

https://github.com/sooperset/mcp-atlassian/security/advisories/GHSA-xjgw-4wvw-rgm4
https://github.com/sooperset/mcp-atlassian/commit/52b9b0997681e87244b20d58034deae89c91631e
https://github.com/sooperset/mcp-atlassian

Related advisories

CVE-2026-27826 — high · PyPI/mcp-atlassian

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.