CVE-2026-48516
1 advisory.
NuGet/MessagePack CVE-2026-48516: medium
MessagePack-CSharp: InterfaceLookupFormatter bypasses collision-resistant comparer settings
Action: Upgrade MessagePack to 2.5.301 (2.x) or 3.1.7 (3.x) or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 2.5.301 | - |
| 3.0 | 3.1.7 | - |
Fixed versions
| 2.5.301 | 3.1.7 |
Sources
- osv: GHSA-q2h6-ghwm-5qm8
- https://github.com/MessagePack-CSharp/MessagePack-CSharp/security/advisories/GHSA-q2h6-ghwm-5qm8
- https://nvd.nist.gov/vuln/detail/CVE-2026-48516
- https://github.com/MessagePack-CSharp/MessagePack-CSharp
CVE-2026-48516 · published · modified · JSON