Is fastapi-sso affected by CVE-2025-14546?

PyPI fastapi-sso is affected in <0.19.0.

Is CVE-2025-14546 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.3%.

medium

CVE-2025-14546

Q: Is CVE-2025-14546 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.3%.

PyPI · fastapi-sso

Summary

FastAPI SSP is vulnerable to Cross-site Request Forgery (CSRF) through improper OAuth parameter validation

Severity: medium
EPSS: 0.3% (p23)
Also known as: GHSA-hp6r-r9vc-q8wx
Published: 2025-12-19

References

https://nvd.nist.gov/vuln/detail/CVE-2025-14546
https://github.com/tomasvotava/fastapi-sso/issues/266
https://github.com/tomasvotava/fastapi-sso/commit/6117d1a5ad498ba57d671e8a059ebe20db5abe02

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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.