CVE-2025-53365
2 advisories.
PyPI/mcp CVE-2025-53365: high
MCP Python SDK has Unhandled Exception in Streamable HTTP Transport, Leading to Denial of Service
Action: Upgrade mcp to 1.10.0 or later.
pip install mcp==1.10.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1.10.0 | - |
Fixed versions
| 1.10.0 |
Sources
- osv: GHSA-j975-95f5-7wqh
- https://github.com/modelcontextprotocol/python-sdk/security/advisories/GHSA-j975-95f5-7wqh
- https://nvd.nist.gov/vuln/detail/CVE-2025-53365
- https://github.com/modelcontextprotocol/python-sdk/pull/967
- https://github.com/modelcontextprotocol/python-sdk/commit/7b420656de48cfdb90b39eb582e60b6d55c2f891
- https://github.com/advisories/GHSA-j975-95f5-7wqh
- https://github.com/modelcontextprotocol/python-sdk
- https://github.com/modelcontextprotocol/python-sdk/releases/tag/v1.10.0
- https://github.com/pypa/advisory-database/tree/main/vulns/mcp/PYSEC-2026-1618.yaml
- https://pypi.org/project/mcp
CVE-2025-53365 · published · modified · JSON
PyPI/mcp CVE-2025-53365: unknown
MCP Python SDK has Unhandled Exception in Streamable HTTP Transport, Leading to Denial of Service
Action: Upgrade mcp to 1.10.0 or later.
pip install mcp==1.10.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1.10.0 | - |
Fixed versions
| 1.10.0 |
Sources
- osv: PYSEC-2026-1618
- https://github.com/modelcontextprotocol/python-sdk/security/advisories/GHSA-j975-95f5-7wqh
- https://nvd.nist.gov/vuln/detail/CVE-2025-53365
- https://github.com/modelcontextprotocol/python-sdk/pull/967
- https://github.com/modelcontextprotocol/python-sdk/commit/7b420656de48cfdb90b39eb582e60b6d55c2f891
- https://github.com/modelcontextprotocol/python-sdk
- https://github.com/modelcontextprotocol/python-sdk/releases/tag/v1.10.0
- https://pypi.org/project/mcp
- https://github.com/advisories/GHSA-j975-95f5-7wqh
CVE-2025-53365 · published · modified · JSON