Is flask-httpauth affected by CVE-2026-34531?

PyPI flask-httpauth is affected in <4.8.1.

Is CVE-2026-34531 being exploited?

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

medium

CVE-2026-34531

Q: Is CVE-2026-34531 being exploited?

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

PyPI · flask-httpauth

Summary

Flask-HTTPAuth invokes token verification callback when missing or empty token was given by client

Severity: medium
EPSS: 0.3% (p24)
Also known as: GHSA-p44q-vqpr-4xmg
Published: 2026-03-31

References

https://github.com/miguelgrinberg/Flask-HTTPAuth/security/advisories/GHSA-p44q-vqpr-4xmg
https://nvd.nist.gov/vuln/detail/CVE-2026-34531
https://github.com/miguelgrinberg/flask-httpauth/commit/b15ffe9e50e110d7174ccd944f642079e1dcf9ee

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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.