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BIT-ENVOY-2026-47775 Envoy OAuth2 Filter: Padding Oracle via AES-256-CBC Cookie Decryption

🗓️ 30 Jun 2026 23:39:29Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 11 Views

Padding oracle in Envoy OAuth2 filter from AES-256-CBC without auth tag; fixed in later versions.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-47775
26 Jun 202617:23
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cve
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CVE-2026-47775
26 Jun 202617:23
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cvelist
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CVE-2026-47775 Envoy OAuth2 Filter: Padding Oracle via AES-256-CBC Cookie Decryption
26 Jun 202617:23
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EUVD-2026-39817
26 Jun 202617:23
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26 Jun 202618:16
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istioctl-1.30.2-1.1 on GA media (moderate)
29 Jun 202600:00
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OPENSUSE-SU-2026:11141-1 istioctl-1.30.2-1.1 on GA media
28 Jun 202600:00
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PT-2026-52886
26 Jun 202600:00
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28 Jun 202600:00
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08 Jul 2026 08:11Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.16.8
EPSS0.00163
SSVC
11