Is pyjwt affected by CVE-2025-45768?

PyPI pyjwt is affected in <=2.10.1.

Is CVE-2025-45768 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.2%.

high

CVE-2025-45768

Q: Is CVE-2025-45768 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.2%.

PyPI · pyjwt

Summary

pyjwt v2.10.1 was discovered to contain weak encryption. NOTE: this is disputed by the Supplier because the key length is chosen by the application that uses the library (admittedly, library users may benefit from a minimum value and a mechanism for opting in to strict enforcement).

Severity: high
EPSS: 0.2% (p5)
Also known as: PYSEC-2025-183
Published: 2025-07-31

References

https://github.com/jpadilla
https://gist.github.com/ZupeiNie/6f65e564f2067b876321d3dfdbb76569
https://github.com/jpadilla/pyjwt

Related advisories

CVE-2026-48526 — high · PyPI/pyjwt
CVE-2026-32597 — high · PyPI/pyjwt
CVE-2026-48525 — medium · PyPI/pyjwt
CVE-2026-48522 — medium · PyPI/pyjwt
CVE-2026-48523 — medium · PyPI/pyjwt

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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.