CVE-2026-55187 Mailpit: Incomplete SSRF protection in Link Check API via IPv6 transition mechanisms (follow-up to CVE-2026-27808)

Mailpit is an email testing tool and API for developers. Prior to 1.30.2, the remediation shipped for CVE-2026-27808 is incomplete because the tools.IsInternalIP deny-list in internal/tools/net.go relies on Go's standard library classification helpers and does not block IPv6 transition mechanisms...

PT-2026-44979

Name of the Vulnerable Software and Affected Versions FastGPT versions prior to 4.15.0-beta1 Description An authenticated attacker can bypass the global isInternalAddress network protection to make arbitrary HTTP GET requests to internal network services. This occurs due to an incomplete fix in t...