CVE-2026-54450

ToolHive is a utility designed to simplify the deployment and management of Model Context Protocol MCP servers. Prior to 0.29.1, networking.IsPrivateIP in pkg/networking/utilities.go omits the IPv6 NAT64 prefixes 64:ff9b::/96 and 64:ff9b:1::/48, so NAT64 addresses embedding private, loopback, or...

CVE-2026-54450 ToolHive: SSRF guard misses IPv6 NAT64 ranges (64:ff9b::/96, 64:ff9b:1::/48), allowing metadata/internal access behind a NAT64 gateway

ToolHive is a utility designed to simplify the deployment and management of Model Context Protocol MCP servers. Prior to 0.29.1, networking.IsPrivateIP in pkg/networking/utilities.go omits the IPv6 NAT64 prefixes 64:ff9b::/96 and 64:ff9b:1::/48, so NAT64 addresses embedding private, loopback, or...

CVE-2026-54450 ToolHive: SSRF guard misses IPv6 NAT64 ranges (64:ff9b::/96, 64:ff9b:1::/48), allowing metadata/internal access behind a NAT64 gateway

ToolHive is a utility designed to simplify the deployment and management of Model Context Protocol MCP servers. Prior to 0.29.1, networking.IsPrivateIP in pkg/networking/utilities.go omits the IPv6 NAT64 prefixes 64:ff9b::/96 and 64:ff9b:1::/48, so NAT64 addresses embedding private, loopback, or...

CVE-2026-54450

ToolHive is a Go utility for deploying and managing Model Context Protocol (MCP) servers. Prior to v0.29.1 , the SSRF guard networking.IsPrivateIP in pkg/networking/utilities.go omits the IPv6 NAT64 prefixes 64:ff9b::/96 and 64:ff9b:1::/48, causing NAT64-encoded private addresses to be classified...

CVE-2026-74905 SiYuan before v3.7.4 SSRF via IPv6 Transition Address Bypass

SiYuan before v3.7.4 contains a server-side request forgery SSRF vulnerability in the isPrivateIP function in kernel/util/net.go, used by SSRFSafeDialer to enforce SSRF protection in SafeMode. The function only checks for loopback, link-local unicast, private, and unspecified addresses and does n...

CVE-2026-74905 SiYuan before v3.7.4 SSRF via IPv6 Transition Address Bypass

SiYuan before v3.7.4 contains a server-side request forgery SSRF vulnerability in the isPrivateIP function in kernel/util/net.go, used by SSRFSafeDialer to enforce SSRF protection in SafeMode. The function only checks for loopback, link-local unicast, private, and unspecified addresses and does n...

CVE-2026-16124

A security vulnerability has been detected in nextlevelbuilder GoClaw up to 3.15.0-beta.32. This affects the function CheckSSRF/isPrivateIP of the file internal/tools/webshared.go of the component webfetch. Such manipulation leads to server-side request forgery. The attack can be launched remotel...

CVE-2026-16124: Server-Side Request Forgery (SSRF)

A security vulnerability has been detected in nextlevelbuilder GoClaw up to 3.15.0-beta.32. This affects the function CheckSSRF/isPrivateIP of the file internal/tools/webshared.go of the component webfetch. Such manipulation leads to server-side request forgery. The attack can be launched remotel...

CVE-2026-31943: Server-Side Request Forgery (SSRF)

LibreChat is a ChatGPT clone with additional features. Prior to version 0.8.3, isPrivateIP in packages/api/src/auth/domain.ts fails to detect IPv4-mapped IPv6 addresses in their hex-normalized form, allowing any authenticated user to bypass SSRF protection and make the server issue HTTP requests ...