CVE-2026-48510 | MessagePack-CSharp MessagePack for C# up to 2.5.300/3.1.6 Compressed Data data amplification (GHSA-v72x-2h86-7f8m)

June 23, 2026 Yanac

A vulnerability marked as problematic has been reported in MessagePack-CSharp MessagePack for C# up to 2.5.300/3.1.6. Affected by this vulnerability is an unknown functionality of the component Compressed Data Handler. The manipulation leads to highly compressed data.

This vulnerability is referenced as CVE-2026-48510. Remote exploitation of the attack is possible. No exploit is available.

It is suggested to upgrade the affected component.VulDB Recent EntriesRead More