CVE-2025-62800
2 advisories.
PyPI/fastmcp CVE-2025-62800: medium
FastMCP vulnerable to reflected XSS in client's callback page
Action: Upgrade fastmcp to 2.13.0 or later.
pip install fastmcp==2.13.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 2.13.0 | - |
Fixed versions
| 2.13.0 |
Sources
- osv: GHSA-mxxr-jv3v-6pgc
- https://github.com/jlowin/fastmcp/security/advisories/GHSA-mxxr-jv3v-6pgc
- https://nvd.nist.gov/vuln/detail/CVE-2025-62800
- https://github.com/jlowin/fastmcp/pull/2090
- https://github.com/jlowin/fastmcp/commit/2a20f54617a37213ed83894a8c2f0ac38a2e83a3
- https://github.com/jlowin/fastmcp
CVE-2025-62800 · published · modified · JSON
PyPI/fastmcp CVE-2025-62800: unknown
FastMCP vulnerable to reflected XSS in client's callback page
Action: Upgrade fastmcp to 2.13.0 or later.
pip install fastmcp==2.13.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 2.13.0 | - |
Fixed versions
| 2.13.0 |
Sources
- osv: PYSEC-2026-1364
- https://github.com/jlowin/fastmcp/security/advisories/GHSA-mxxr-jv3v-6pgc
- https://nvd.nist.gov/vuln/detail/CVE-2025-62800
- https://github.com/jlowin/fastmcp/pull/2090
- https://github.com/jlowin/fastmcp/commit/2a20f54617a37213ed83894a8c2f0ac38a2e83a3
- https://github.com/jlowin/fastmcp
- https://pypi.org/project/fastmcp
- https://github.com/advisories/GHSA-mxxr-jv3v-6pgc
CVE-2025-62800 · published · modified · JSON