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CVE-2026-77248

2 advisories.

PyPI/mcp-atlassian CVE-2026-77248: high 8.6

MCP Atlassian: Unauthenticated arbitrary local file read via upload_attachment file_path, chained with missing auth on streamable-http transport

Action: Upgrade mcp-atlassian to 0.22.0 or later.

pip install mcp-atlassian==0.22.0

Affected

introducedfixedlast affected
00.22.0-

Fixed versions

0.22.0

Sources

CVE-2026-77248 · published · modified · JSON

PyPI/mcp-atlassian CVE-2026-77248: high 8.6

MCP Atlassian: Unauthenticated arbitrary local file read via upload_attachment file_path, chained with missing auth on streamable-http transport

Action: Upgrade mcp-atlassian to 0.22.0 or later.

pip install mcp-atlassian==0.22.0

Affected

introducedfixedlast affected
00.22.0-

Fixed versions

0.22.0

Sources

CVE-2026-77248 · published · modified · JSON