Lucene search
K

auth-fetch-mcp has SSRF Protection Bypass via IPv4-mapped IPv6 Loopback

🗓️ 01 Jul 2026 18:16:22Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 4 Views

auth-fetch-mcp SSRF bypass via IPv4 mapped IPv6 loopback; isPrivateV6 fails to detect.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
Circl
CVE-2026-49857
1 Jul 202620:35
circl
CVE
CVE-2026-49857
1 Jul 202618:16
cve
OSV
GHSA-PVRJ-8CG3-J5F8 auth-fetch-mcp has SSRF Protection Bypass via IPv4-mapped IPv6 Loopback
1 Jul 202618:16
osv
Positive Technologies
PT-2026-55211
1 Jul 202600:00
ptsecurity
Vulners
Node
auth-fetch-mcpRange3.0.1npm

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation