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CVE-2026-8720: Improper Validation of Integrity Check Value

🗓️ 25 Jun 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com

wolfSSL HMAC-BLAKE2 APIs from 5.9.0 produce MACs independent of input if key exceeds block size.

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27 Jun 2026 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 45.9
CVSS 3.17.5
EPSS0.00158
SSVC
0