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Exposures › CVE-2026-28802

CVE-2026-28802

Severity
critical
Source
NVD · cve
Published
2026-03-06
CVSS
9.8
Reference
https://nvd.nist.gov/vuln/detail/CVE-2026-28802
shame 35/100

Authlib is a Python library which builds OAuth and OpenID Connect servers. From version 1.6.5 to before version 1.6.7, previous tests involving passing a malicious JWT containing alg: none and an empty signature was passing the signature verification step without any changes to t

Players implicated

authlib · vendorauthlib · product

Description

Authlib is a Python library which builds OAuth and OpenID Connect servers. From version 1.6.5 to before version 1.6.7, previous tests involving passing a malicious JWT containing alg: none and an empty signature was passing the signature verification step without any changes to the application code when a failure was expected.. This issue has been patched in version 1.6.7.

Affected FedRAMP products 0 in the catalog

No correlated FedRAMP products.