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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👁 46 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
attackerkb
CVE-2026-48513
22 Jun 202621:12
–attackerkb
cve
CVE
CVE-2026-48513
22 Jun 202621:12
–cve
euvd
EUVD
EUVD-2026-38383
25 Jun 202621:22
–euvd
github
Github Security Blog
MessagePack-CSharp: DynamicUnionResolver-generated deserializers miss depth enforcement
25 Jun 202621:22
–github
nvd
NVD
CVE-2026-48513
22 Jun 202622:16
–nvd
osv
OSV
ECHO-5E40-0E95-A20E
17 Sep 202608:05
–osv
osv
OSV
GHSA-WFR3-XJ75-PFWH MessagePack-CSharp: DynamicUnionResolver-generated deserializers miss depth enforcement
25 Jun 202621:22
–osv
ptsecurity
Positive Technologies
PT-2026-51397
22 Jun 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-48513: Uncontrolled Recursion
22 Jun 202600:00
–rapid7
snyk
Snyk
Uncontrolled Recursion
25 Jun 202621:22
–snyk
Rows per page
[
  {
    "vendor": "MessagePack-CSharp",
    "product": "MessagePack-CSharp",
    "versions": [
      {
        "version": ">= 3.0, < 3.1.7",
        "status": "affected"
      },
      {
        "version": "< 2.5.301",
        "status": "affected"
      }
    ]
  }
]

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