CVE-2026-27124
2 advisories.
PyPI/fastmcp CVE-2026-27124: high
FastMCP: Missing Consent Verification in OAuth Proxy Callback Facilitates Confused Deputy Vulnerabilities
Action: Upgrade fastmcp to 3.2.0 or later.
pip install fastmcp==3.2.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 3.2.0 | - |
Fixed versions
| 3.2.0 |
Sources
- osv: GHSA-rww4-4w9c-7733
- https://github.com/PrefectHQ/fastmcp/security/advisories/GHSA-rww4-4w9c-7733
- https://github.com/jlowin/fastmcp/security/advisories/GHSA-rww4-4w9c-7733
- https://nvd.nist.gov/vuln/detail/CVE-2026-27124
- https://github.com/PrefectHQ/fastmcp
CVE-2026-27124 · published · modified · JSON
PyPI/fastmcp CVE-2026-27124: unknown
FastMCP: Missing Consent Verification in OAuth Proxy Callback Facilitates Confused Deputy Vulnerabilities
Action: Upgrade fastmcp to 3.2.0 or later.
pip install fastmcp==3.2.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 3.2.0 | - |
Fixed versions
| 3.2.0 |
Sources
- osv: PYSEC-2026-2476
- https://github.com/PrefectHQ/fastmcp/security/advisories/GHSA-rww4-4w9c-7733
- https://github.com/jlowin/fastmcp/security/advisories/GHSA-rww4-4w9c-7733
- https://nvd.nist.gov/vuln/detail/CVE-2026-27124
- https://github.com/PrefectHQ/fastmcp
- https://pypi.org/project/fastmcp
- https://github.com/advisories/GHSA-rww4-4w9c-7733
CVE-2026-27124 · published · modified · JSON