{
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      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-116486",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
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                "role": "CISA Coordinator",
                "timestamp": "2026-10-26T15:38:10.344457Z",
                "version": "2.0.3"
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          "dateUpdated": "2026-10-26T16:15:59.231Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
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    ],
    "cna": {
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        {
          "defaultStatus": "unaffected",
          "packageURL": "pkg:maven/org.objenesis/objenesis",
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              "version": "0",
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      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Yu Bao, PayPal Cyber Security Team"
        }
      ],
      "datePublic": "2026-10-26T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "Objenesis before 3.6 contains a type confusion vulnerability that allows code in one class loader to substitute objects into another by exploiting instantiator caching keyed on class name. When a shared ObjenesisStd instance caches instantiators by clazz.getName() in ObjenesisBase.getInstantiatorOf(), same-named classes collide, causing newInstance() to return wrong-class objects and ClassCastException failures."
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            "attackRequirements": "PRESENT",
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            "baseScore": 2,
            "baseSeverity": "LOW",
            "privilegesRequired": "LOW",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N",
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            "baseSeverity": "MEDIUM",
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            "integrityImpact": "LOW",
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            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L",
            "version": "3.1"
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        {
          "descriptions": [
            {
              "cweId": "CWE-386",
              "description": "Symbolic Name not Mapping to Correct Object",
              "lang": "en",
              "type": "CWE"
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        "dateUpdated": "2026-10-26T13:08:52.051Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
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          "name": "Patch Commit",
          "tags": [
            "patch"
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          "url": "https://github.com/easymock/objenesis/commit/40f90f435a06b16af74a7398f0007faeaa52c00c"
        },
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          "name": "GitHub Security Advisory (GHSA-743r-26gf-97ff)",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://github.com/easymock/objenesis/security/advisories/GHSA-743r-26gf-97ff"
        },
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          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/easymock/objenesis/blob/fb36e5c377ed1bf57a18386fa79d2eed4ddfcfac/main/src/main/java/org/objenesis/ObjenesisBase.java#L92-L95"
        },
        {
          "tags": [
            "product"
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          "url": "https://github.com/easymock/objenesis"
        },
        {
          "name": "VulnCheck Advisory: Objenesis before 3.6 Type Confusion via Class Name Instantiator Cache",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/objenesis-before-3.6-type-confusion-via-class-name-instantiator-cache"
        }
      ],
      "title": "Objenesis before 3.6 Type Confusion via Class Name Instantiator Cache",
      "x_generator": {
        "engine": "vulncheck-endgame"
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  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-116486",
    "datePublished": "2026-10-26T13:08:52.051Z",
    "dateReserved": "2026-10-26T11:37:37.948Z",
    "dateUpdated": "2026-10-26T16:15:59.231Z",
    "state": "PUBLISHED"
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  "dataVersion": "5.2"
}