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Real-time CVE tracking, exploit analysis, and vulnerability intelligence curated for security professionals.

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Recent Advisories

Severity ID Title Vendor Product Date Type
MEDIUM 6.5 CVE-2026-54911

UltraJSON: Malformed/Truncated UTF-8 Accepted and Silently Rewritten in ujson.dumps()_CVE-2026-54911

UltraJSON is a fast JSON encoder and decoder written in pure C with bindings for Python 3.7+. Prior to 5.13.0, ujson.dumps() (or ujson.dump() or uj...

ultrajson ultrajson < 5.13.0 CVE
HIGH 8.7 CVE-2026-54281

Nest: Middleware Bypass on Fastify via Trailing Slash_CVE-2026-54281

Nest is a framework for building scalable Node.js server-side applications. Prior to 11.1.24, an authentication bypass vulnerability exists in @nes...

nestjs nest < 11.1.24 CVE
MEDIUM 6.3 CVE-2026-48517

MessagePack-CSharp: Typeless deserialization type restrictions do not recurse into arrays or generic arguments_CVE-2026-48517

MessagePack for C# is a MessagePack serializer for C#. Prior to 2.5.301 and 3.1.7, MessagePack-CSharp's typeless deserialization includes MessagePa...

MessagePack-CSharp MessagePack-CSharp >= 3.1.7, < 3.1.7 CVE
MEDIUM 6.3 CVE-2026-48516

MessagePack-CSharp: InterfaceLookupFormatter bypasses collision-resistant comparer settings_CVE-2026-48516

MessagePack for C# is a MessagePack serializer for C#. Prior to 2.5.301 and 3.1.7, InterfaceLookupFormatter constructs an internal Dictionary with ...

MessagePack-CSharp MessagePack-CSharp >= 3.1.7, < 3.1.7 CVE
MEDIUM 6.3 CVE-2026-48515

MessagePack-CSharp: Multi-dimensional array formatters allocate from unchecked dimensions_CVE-2026-48515

MessagePack for C# is a MessagePack serializer for C#. Prior to 2.5.301 and 3.1.7, MessagePack-CSharp's multi-dimensional array formatters read dim...

MessagePack-CSharp MessagePack-CSharp >= 3.1.7, < 3.1.7 CVE
MEDIUM 6.3 CVE-2026-48514

MessagePack-CSharp: Unity unsafe blit formatter allocates from unbounded byte length_CVE-2026-48514

MessagePack for C# is a MessagePack serializer for C#. Prior to 2.5.301 and 3.1.7, UnsafeBlitFormatterBase.Deserialize reads an attacker-controlled...

MessagePack-CSharp MessagePack-CSharp >= 3.1.7, < 3.1.7 CVE
MEDIUM 6.3 CVE-2026-48513

MessagePack-CSharp: DynamicUnionResolver generated deserializers miss depth enforcement_CVE-2026-48513

MessagePack for C# is a MessagePack serializer for C#. Prior to 2.5.301 and 3.1.7, runtime-generated union deserializers emitted by DynamicUnionRes...

MessagePack-CSharp MessagePack-CSharp >= 3.1.7, < 3.1.7 CVE
MEDIUM 6.3 CVE-2026-48512

MessagePack-CSharp: JSON conversion APIs can recurse without consistent depth enforcement_CVE-2026-48512

MessagePack for C# is a MessagePack serializer for C#. Prior to 2.5.301 and 3.1.7, MessagePack-CSharp's JSON conversion helpers contain multiple re...

MessagePack-CSharp MessagePack-CSharp >= 3.1.7, < 3.1.7 CVE
MEDIUM 6.3 CVE-2026-48511

MessagePack-CSharp: ExpandoObject formatter can perform quadratic insertion work on untrusted maps_CVE-2026-48511

MessagePack for C# is a MessagePack serializer for C#. Prior to 2.5.301 and 3.1.7, ExpandoObjectFormatter.Deserialize populates System.Dynamic.Expa...

MessagePack-CSharp MessagePack-CSharp >= 3.1.7, < 3.1.7 CVE