CVE-2026-58196 ToolHive: SSRF in remote MCP server authentication discovery (host-side, bypasses container isolation)

ToolHive is a utility designed to simplify the deployment and management of Model Context Protocol MCP servers. Prior to 0.31.0, remote.Handler.Authenticate in pkg/auth/remote/handler.go invokes discovery.DetectAuthenticationFromServer in pkg/auth/discovery/discovery.go, whose host-side HTTP...

EUVD-2026-78818

ToolHive is a utility designed to simplify the deployment and management of Model Context Protocol MCP servers. Prior to 0.31.0, remote.Handler.Authenticate in pkg/auth/remote/handler.go invokes discovery.DetectAuthenticationFromServer in pkg/auth/discovery/discovery.go, whose host-side HTTP...

CVE-2026-58196

ToolHive is a utility designed to simplify the deployment and management of Model Context Protocol MCP servers. Prior to 0.31.0, remote.Handler.Authenticate in pkg/auth/remote/handler.go invokes discovery.DetectAuthenticationFromServer in pkg/auth/discovery/discovery.go, whose host-side HTTP...

CVE-2026-58196 ToolHive: SSRF in remote MCP server authentication discovery (host-side, bypasses container isolation)

ToolHive is a utility designed to simplify the deployment and management of Model Context Protocol MCP servers. Prior to 0.31.0, remote.Handler.Authenticate in pkg/auth/remote/handler.go invokes discovery.DetectAuthenticationFromServer in pkg/auth/discovery/discovery.go, whose host-side HTTP...

CVE-2026-58196

ToolHive (a utility for deploying Model Context Protocol (MCP) servers) is vulnerable to SSRF in its remote MCP server authentication discovery. Prior to 0.31.0 , the host-side HTTP clients in pkg/auth/discovery trust server-controlled resource_metadata URLs from the WWW-Authenticate header, foll...

CVE-2026-58196 ToolHive: SSRF in remote MCP server authentication discovery (host-side, bypasses container isolation)

ToolHive is a utility designed to simplify the deployment and management of Model Context Protocol MCP servers. Prior to 0.31.0, remote.Handler.Authenticate in pkg/auth/remote/handler.go invokes discovery.DetectAuthenticationFromServer in pkg/auth/discovery/discovery.go, whose host-side HTTP...

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: 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...

Security Bulletin: Multiple Vulnerabilities in IBM watsonx Code Assistant On Prem

Summary Multiple vulnerabilities were addressed in IBM watsonx Code Assistant On Prem V5.3.1 Patch 11 Vulnerability Details CVEID:CVE-2026-16221 DESCRIPTION: Impact: fast-uri versions from 2.3.1 through 4.1.0 including the 3.x line up to 3.1.3 and the 2.x line up to 2.4.2 do not treat a literal...

CVE-2026-77866

Slab safeurl (an Elixir library, affected from version 0.1.0 onward) contains a Server-Side Request Forgery (SSRF) protection bypass that allows an attacker controlling a validated URL to reach internal network destinations the library is configured to block. The root cause is that only IPv4 addr...

EUVD-2026-78678

Server-Side Request Forgery SSRF vulnerability in Slab safeurl allows an attacker who controls a validated URL to reach internal network destinations the library is configured to block. Only IPv4 addresses are matched against the reserved ranges and the blocklist. Every other address is treated a...

CVE-2026-77866 SSRF protection bypass in safeurl via IPv6 addresses and unresolvable hosts

Server-Side Request Forgery SSRF vulnerability in Slab safeurl allows an attacker who controls a validated URL to reach internal network destinations the library is configured to block. Only IPv4 addresses are matched against the reserved ranges and the blocklist. Every other address is treated a...

CVE-2026-77866 SSRF protection bypass in safeurl via IPv6 addresses and unresolvable hosts

Server-Side Request Forgery SSRF vulnerability in Slab safeurl allows an attacker who controls a validated URL to reach internal network destinations the library is configured to block. Only IPv4 addresses are matched against the reserved ranges and the blocklist. Every other address is treated a...

CVE-2026-77866 SSRF protection bypass in safeurl via IPv6 addresses and unresolvable hosts

Server-Side Request Forgery SSRF vulnerability in Slab safeurl allows an attacker who controls a validated URL to reach internal network destinations the library is configured to block. Only IPv4 addresses are matched against the reserved ranges and the blocklist. Every other address is treated a...

CVE-2026-77866

Server-Side Request Forgery SSRF vulnerability in Slab safeurl allows an attacker who controls a validated URL to reach internal network destinations the library is configured to block. Only IPv4 addresses are matched against the reserved ranges and the blocklist. Every other address is treated a...

EEF-CVE-2026-77866 SSRF protection bypass in safeurl via IPv6 addresses and unresolvable hosts

Summary Server-Side Request Forgery SSRF vulnerability in Slab safeurl allows an attacker who controls a validated URL to reach internal network destinations the library is configured to block. Only IPv4 addresses are matched against the reserved ranges and the blocklist. Every other address is...

CVE-2026-55591 Signal K Server: Server-Side Request Forgery via Remote Connection Endpoints

Signal K Server is a server application that runs on a central hub in a boat. Prior to 2.28.0, makeRemoteRequest in src/serverroutes.ts accepted attacker-controlled host, port, useTLS, and selfsignedcert parameters from the testSignalKConnection, requestAccess, and checkAccessRequest endpoints...

CVE-2026-55591

Signal K Server is a server application that runs on a central hub in a boat. Prior to 2.28.0, makeRemoteRequest in src/serverroutes.ts accepted attacker-controlled host, port, useTLS, and selfsignedcert parameters from the testSignalKConnection, requestAccess, and checkAccessRequest endpoints...

CVE-2026-55591 Signal K Server: Server-Side Request Forgery via Remote Connection Endpoints

Signal K Server is a server application that runs on a central hub in a boat. Prior to 2.28.0, makeRemoteRequest in src/serverroutes.ts accepted attacker-controlled host, port, useTLS, and selfsignedcert parameters from the testSignalKConnection, requestAccess, and checkAccessRequest endpoints...