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CVE-2026-49844

🗓️ 10 Jul 2026 21:14:59Reported by apacheType 
cve
 cve
🔗 web.nvd.nist.gov👁 532 Views

CVE-2026-49844: MapMessage.asJson() emits non-finite floats as invalid JSON; affects 2.13.1–2.25.4 and 2.26.0; upgrade to 2.25.5 or 2.26.1.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
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Rows per page
NVD
Vulners
Node
OR
apachelog4jRange2.13.12.25.5
apachelog4jMatch2.26.0
apachelog4jMatch3.0.0alpha1
apachelog4jMatch3.0.0alpha1_rc1
apachelog4jMatch3.0.0alpha1_rc2
apachelog4jMatch3.0.0beta1
apachelog4jMatch3.0.0beta2
[
  {
    "collectionURL": "https://repo.maven.apache.org/maven2",
    "cpes": [
      "cpe:2.3:a:apache:log4j_api:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "packageName": "org.apache.logging.log4j:log4j-api",
    "packageURL": "pkg:maven/org.apache.logging.log4j/log4j-api",
    "product": "Apache Log4j API",
    "vendor": "Apache Software Foundation",
    "versions": [
      {
        "lessThan": "2.25.5",
        "status": "affected",
        "version": "2.13.1",
        "versionType": "maven"
      },
      {
        "lessThan": "2.26.1",
        "status": "affected",
        "version": "2.26.0",
        "versionType": "maven"
      },
      {
        "lessThanOrEqual": "3.0.0-beta2",
        "status": "affected",
        "version": "3.0.0-alpha1",
        "versionType": "maven"
      }
    ]
  }
]

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14 Jul 2026 20:03Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.15.9
CVSS 46.3
EPSS0.00813
532