CVE-2026-46678

Pydantic AI is a Python agent framework for building Generative AI applications. In versions 1.56.0 through 1.98.0, when an application opts a URL into forcedownload='allow-local' disabling the default block on private/internal IPs, the cloud-metadata blocklist could be bypassed by encoding the...

pydantic-ai: SSRF blocklist bypass via IPv4-compatible, SIIT/IVI, and local NAT64 IPv6 addresses (incomplete fix of CVE-2026-46678)

SummaryWhen an application using Pydantic AI opts a URL into forcedownload='allow-local' which disables the default block on private/internal IPs and runs on a network that routes the affected IPv6 transition forms NAT64- or ISATAP-configured networks, the cloud-metadata blocklist could be bypass...

CVE-2026-46678

creationtimestamp| type| source ---|---|--- 2026-06-17 00:18:29+00:00| seen| https://bsky.app/profile/cve.skyfleet.blue/post/3mogzzvej3z22...