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CVE-2026-49998 Centrifugo: Dynamic JWKS key cache keyed only by `kid` allows cross-issuer JWT authentication bypass

🗓️ 16 Jul 2026 19:33:33Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 3 Views

Centrifugo before 6.8.1 allowed cross-issuer JWT bypass due to kid-only dynamic keys cache; fixed in 6.8.1.

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19 Jul 2026 03:31Current
5.3Medium risk
Vulners AI Score5.3
CVSS 3.18.2
EPSS0.00266
3