CVE-2026-48860

A flaw was found in Erlang/OTP. The inettlsdist:checkip/1 function, responsible for enforcing a LAN allowlist for Erlang distribution over TLS, incorrectly uses inet:sockname/1 instead of inet:peername/1 to obtain the peer's IP address. This allows an unauthenticated attacker, possessing a...

CVE-2026-48860

Reliance on IP Address for Authentication vulnerability in Erlang/OTP ssl inettlsdist module allows unauthenticated bypass of the distribution-over-TLS LAN allowlist. The inettlsdist:checkip/1 function, which enforces a LAN allowlist for Erlang distribution over TLS, calls inet:sockname/1 instead...

CVE-2026-48860 Distribution-over-TLS LAN allowlist silently bypassed due to sockname/peername confusion in inet_tls_dist

Reliance on IP Address for Authentication vulnerability in Erlang/OTP ssl inettlsdist module allows unauthenticated bypass of the distribution-over-TLS LAN allowlist. The inettlsdist:checkip/1 function, which enforces a LAN allowlist for Erlang distribution over TLS, calls inet:sockname/1 instead...