Is joserfc affected by CVE-2026-27932?

PyPI joserfc is affected in <1.6.3.

Is CVE-2026-27932 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.4%.

high

CVE-2026-27932

Q: Is CVE-2026-27932 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.4%.

PyPI · joserfc

Summary

joserfc's PBES2 p2c Unbounded Iteration Count enables Denial of Service (DoS)

Severity: high
EPSS: 0.4% (p34)
Also known as: GHSA-w5r5-m38g-f9f9
Published: 2026-03-02

References

https://github.com/authlib/joserfc/security/advisories/GHSA-w5r5-m38g-f9f9
https://nvd.nist.gov/vuln/detail/CVE-2026-27932
https://github.com/authlib/joserfc/commit/696a961

Related advisories

CVE-2025-65015 — critical · PyPI/joserfc

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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.