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CVE-2026-6986 Cesanta Mongoose GCM Authentication Tag tls_aes128.c mg_aes_gcm_decrypt signature verification

🗓️ 25 Apr 2026 16:30:13Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 1 Views

CVE-2026-6986: Mongoose up to 7.20 has mg_aes_gcm_decrypt flaw causing signature verification issues; upgrade to 7.21.

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08 Jul 2026 08:13Current
5Medium risk
Vulners AI Score5
CVSS 46.3
EPSS0.00217
1