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PYSEC-2026-4149 PyJWT: Public keys in DER form are accepted as HMAC secrets, bypassing the CVE-2022-29217 guard

🗓️ 01 Oct 2026 16:38:40Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 3 Views

PyJWT accepts DER form public keys as HMAC secrets, bypassing the CVE-2022-29217 guard.

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01 Oct 2026 17:45Current
6Medium risk
Vulners AI Score6
CVSS 3.17.4
EPSS0.00175
3