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pyjwt: pyjwt: Token forgery via acceptance of public JWK containers as HMAC secrets

🗓️ 21 Oct 2026 13:55:34Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 4 Views

Unauthenticated remote attacker can forge JWTs in PyJWT by using public JWK as HMAC secrets.

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Important: python-jwt
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CVE-2026-102273 affecting package python-jwt for versions less than 2.15.1-1
6 Oct 202618:59
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CVE-2026-102273 PyJWT accepts public JWK containers as HMAC secrets
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debiancve
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28 Sep 202620:38
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euvd
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EUVD-2026-88541
28 Sep 202620:38
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PyJWT accepts public JWK containers as HMAC secrets
29 Sep 202623:16
–github
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CVE-2026-102273
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mscve
Microsoft CVE
PyJWT accepts public JWK containers as HMAC secrets
1 Oct 202608:16
–mscve
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9noarchpython3.12-pyjwt2.14.0-1.el9appython3.12-pyjwt-2.14.0-1.el9ap.noarch.rpm
Red Hat Enterprise Linux9noarchpython3.12-pyjwt+crypto2.14.0-1.el9appython3.12-pyjwt+crypto-2.14.0-1.el9ap.noarch.rpm

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24 Oct 2026 10:32Current
7.3High risk
Vulners AI Score7.3
CVSS 3.17.4
EPSS0.00175
SSVC
4