CVE Watch28 ago 2026

CVE-2026-55245

Bifrost is an enterprise AI gateway for routing requests to model providers. Prior to 1.5.17, the isPublicIP function in core/providers/util

CVSS

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Sin CVSS

EPSS

0.4%

p37

KEV

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Exploit Today

0-100

Publicado: 28 ago 2026 · Última mod.: 28 ago 2026 · CWE-918

EPSS · 30d

0.4%EPSS · 30 días0.4%

2026-08-292026-08-30

Descripción técnica

Bifrost is an enterprise AI gateway for routing requests to model providers. Prior to 1.5.17, the isPublicIP function in core/providers/utils/fetch.go, reached through FetchAndEncodeURL for Bedrock and Vertex image or document URLs, classifies Carrier-Grade NAT 100.64.0.0/10, IPv6 6to4 2002::/16, NAT64 64:ff9b::/96 and 64:ff9b:1::/48, and deprecated IPv6 site-local fec0::/10 addresses as public. A remote attacker who controls a multimodal request URL can make the gateway fetch internal services, including a cloud instance metadata endpoint encoded through 6to4 or NAT64. This issue is fixed in version 1.5.17.

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