HIGH🇵🇱 Wersja polska

CVE-2026-28802

CVSS 7.7v4.0pub. 2026-03-06upd. 2026-07-01

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.

CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

  • Authlib

    APP
    Authlib
    1.6.5 – 1.6.7 (bez)
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CHECK WITH VENDOR
No clear patch data available. Check vendor references.
CWE
References

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