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CVE-2026-42779 Apache MINA: AbstractIoBuffer.resolveClass() null-clazz Branch Skips acceptMatchers Filter — Full Object Deserialization RCE (take 2)

🗓️ 01 May 2026 10:00:43Reported by apacheType 
cvelist
 cvelist
🔗 www.cve.org👁 31 Views

CVE-2026-42779: MINA fixes deserialization RCE via class allowlist; upgrade 2.1.x or 2.2.x.

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Affected
Refs
[
  {
    "collectionURL": "https://repo.maven.apache.org/maven2",
    "defaultStatus": "unaffected",
    "packageName": "org.apache.mina:mina-core",
    "product": "Apache MINA",
    "vendor": "Apache Software Foundation",
    "versions": [
      {
        "lessThanOrEqual": "2.2.6",
        "status": "affected",
        "version": "2.2.X",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "2.1.11",
        "status": "affected",
        "version": "2.1.X",
        "versionType": "semver"
      }
    ]
  }
]

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