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    "cveMetadata": {
        "cveId": "CVE-2026-4052",
        "assignerOrgId": "ed10eef1-636d-4fbe-9993-6890dfa878f8",
        "state": "PUBLISHED",
        "assignerShortName": "WSO2",
        "dateReserved": "2026-03-12T15:04:40.532Z",
        "datePublished": "2026-11-03T08:02:33.735Z",
        "dateUpdated": "2026-11-03T08:02:33.735Z"
    },
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        "cna": {
            "providerMetadata": {
                "orgId": "ed10eef1-636d-4fbe-9993-6890dfa878f8",
                "shortName": "WSO2",
                "dateUpdated": "2026-11-03T08:02:33.735Z"
            },
            "title": "Privilege Escalation via Token Endpoint in WSO2 API Manager (APIM 4.x/IS as Resident Key Manager)",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-862",
                            "description": "CWE-862: Missing Authorization",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "impacts": [
                {
                    "capecId": "CAPEC-58",
                    "descriptions": [
                        {
                            "lang": "en",
                            "value": "CAPEC-58: Restful Privilege Elevation"
                        }
                    ]
                },
                {
                    "capecId": "CAPEC-233",
                    "descriptions": [
                        {
                            "lang": "en",
                            "value": "CAPEC-233: Privilege Escalation"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "WSO2",
                    "product": "WSO2 API Manager",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "4.1.0",
                            "versionType": "custom"
                        },
                        {
                            "status": "affected",
                            "version": "4.2.0",
                            "versionType": "custom"
                        },
                        {
                            "status": "affected",
                            "version": "4.3.0",
                            "versionType": "custom"
                        },
                        {
                            "status": "affected",
                            "version": "4.4.0",
                            "versionType": "custom"
                        },
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                            "status": "affected",
                            "version": "4.5.0",
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                            "status": "affected",
                            "version": "4.6.0",
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                    "defaultStatus": "unaffected"
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                {
                    "vendor": "WSO2",
                    "product": "WSO2 API Control Plane",
                    "versions": [
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                            "status": "affected",
                            "version": "4.5.0",
                            "versionType": "custom"
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                        {
                            "status": "affected",
                            "version": "4.6.0",
                            "versionType": "custom"
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                    ],
                    "defaultStatus": "unaffected"
                },
                {
                    "vendor": "WSO2",
                    "product": "WSO2 Identity Server Key Manager Connector (apim-km-wso2is)",
                    "packageName": "org.wso2.km.ext.wso2is:wso2is.key.manager.core",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "0",
                            "lessThan": "1.8.8",
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                        }
                    ],
                    "defaultStatus": "unaffected"
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            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "This issue only impacts deployments where WSO2 Identity Server is configured as a Resident Key Manager with database sharing. In such environments, a self-registered user may gain access to the System REST APIs of WSO2 API Manager by obtaining a token from the WSO2 Identity Server token endpoint.",
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            ],
            "references": [
                {
                    "url": "https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2026/WSO2-2026-5212/",
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                        "version": "3.1",
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "availabilityImpact": "HIGH",
                        "baseSeverity": "CRITICAL",
                        "baseScore": 9.8,
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
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            "solutions": [
                {
                    "lang": "en",
                    "value": "Follow the instructions given on https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2026/WSO2-2026-5212/#solution",
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            "source": {
                "advisory": "WSO2-2026-5212",
                "discovery": "INTERNAL"
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