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CVE-2026-48513 MessagePack-CSharp: DynamicUnionResolver generated deserializers miss depth enforcement

🗓️ 22 Jun 2026 21:12:43Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 6 Views

MessagePack for CSharp before 2.5.301 and 3.1.7 allowed dynamic union deserializers to bypass depth checks.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-48513
22 Jun 202621:12
attackerkb
CVE
CVE-2026-48513
22 Jun 202621:12
cve
EUVD
EUVD-2026-38383
22 Jun 202621:12
euvd
NVD
CVE-2026-48513
22 Jun 202622:16
nvd
Positive Technologies
PT-2026-51397
22 Jun 202600:00
ptsecurity
[
  {
    "vendor": "MessagePack-CSharp",
    "product": "MessagePack-CSharp",
    "versions": [
      {
        "version": ">= 3.1.7, < 3.1.7",
        "status": "affected"
      },
      {
        "version": "< 2.5.301",
        "status": "affected"
      }
    ]
  }
]

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