CVE-2026-48512

CVE-2026-48512 affects MessagePack-CSharp’s JSON conversion helpers. Before versions 2.5.301 and 3.1.7, ConvertFromJsonCore and related paths can recurse without enforcing a consistent depth limit, and TinyJsonReader can parse tokens with unbounded recursion. The typeless ext-100 path also recurs...

EUVD-2026-38383

MessagePack for C is a MessagePack serializer for C. Prior to 2.5.301 and 3.1.7, runtime-generated union deserializers emitted by DynamicUnionResolver do not call MessagePackSecurity.DepthStepref reader and do not decrement reader.Depth around recursive deserialization and skip paths. This means...

CVE-2026-48513

CVE-2026-48513 — MessagePack-CSharp : Vulnerability in runtime-generated union deserializers by DynamicUnionResolver allows depth enforcement gaps. Prior to versions 2.5.301 and 3.1.7, deserializers did not call MessagePackSecurity.DepthStep(ref reader) or properly adjust reader.Depth during recu...