CVE-2026-73212: Coturn Missing Internal Peer Address Check

Peer address validation checks address ranges without blocking link-local, unique-local, and site-local internal address scopes by default. This can allow authenticated relay clients to access internal services and cloud metadata endpoints (SSRF).

Provally CuratedPublic repositoryMediumMedium confidenceVerifiedApache-2.0C
greprules fetch cve-2026-73212-coturn-missing-internal-peer-address-check --engine opengrep

Description

Peer address validation checks address ranges without blocking link-local, unique-local, and site-local internal address scopes by default. This can allow authenticated relay clients to access internal services and cloud metadata endpoints (SSRF).