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CVE-2026-46678 Pydantic AI: SSRF cloud-metadata blocklist bypass via IPv4-mapped IPv6 (Incomplete fix of CVE-2026-25580)

🗓️ 29 Jul 2026 20:16:45Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 2 Views

CVE-2026-46678: IPv6 blocklist bypass in Pydantic AI force_download; affected versions 1.56.0–1.98.0; fixed 1.99.0.

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30 Jul 2026 04:02Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.16.8
EPSS0.00039
2