CVE-2026-5430

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Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.", "cisaVulnerabilityName": "WSO2 Multiple Products Path Traversal Vulnerability ", "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:wso2:api_control_plane:*:*:*:*:*:*:*:*", "matchCriteriaId": "5F568AE3-DBF2-41B6-B4C8-20B655067056", "versionEndExcluding": "4.5.0.58", "versionStartIncluding": "4.5.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:wso2:api_control_plane:*:*:*:*:*:*:*:*", "matchCriteriaId": "7C020DC7-BD0F-4C0B-8CBC-4B93671D4CAC", "versionEndExcluding": "4.6.0.22", "versionStartIncluding": "4.6.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:wso2:api_manager:*:*:*:*:*:*:*:*", "matchCriteriaId": "AE140289-0624-4385-8D46-D6E5052D3B28", "versionEndExcluding": "4.1.0.257", "versionStartIncluding": "4.1.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:wso2:api_manager:*:*:*:*:*:*:*:*", "matchCriteriaId": "31FC9528-42DB-4E23-BCF4-674397F2E626", "versionEndExcluding": "4.2.0.197", "versionStartIncluding": "4.2.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:wso2:api_manager:*:*:*:*:*:*:*:*", "matchCriteriaId": "5F10E50C-D77F-4779-936C-0ADDF8B1B1F6", "versionEndExcluding": "4.3.0.108", "versionStartIncluding": "4.3.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:wso2:api_manager:*:*:*:*:*:*:*:*", "matchCriteriaId": "8774AF32-FAEC-4EF3-8399-8E76D55A8DEB", "versionEndExcluding": "4.4.0.72", "versionStartIncluding": "4.4.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:wso2:api_manager:*:*:*:*:*:*:*:*", "matchCriteriaId": "D4DD9A69-BED3-45B4-9521-DBCA9AEBBF6F", "versionEndExcluding": "4.5.0.57", "versionStartIncluding": "4.5.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:wso2:api_manager:*:*:*:*:*:*:*:*", "matchCriteriaId": "07437626-95AF-4468-8479-ACC2835DF708", "versionEndExcluding": "4.6.0.21", "versionStartIncluding": "4.6.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:wso2:traffic_manager:*:*:*:*:*:*:*:*", "matchCriteriaId": "066D4334-A3B2-4D0D-9830-1CBE6C91B053", "versionEndExcluding": "4.5.0.56", "versionStartIncluding": "4.5.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:wso2:traffic_manager:*:*:*:*:*:*:*:*", "matchCriteriaId": "6F904CBB-EC8F-49F3-B85D-E934E785813B", "versionEndExcluding": "4.6.0.21", "versionStartIncluding": "4.6.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:wso2:universal_gateway:*:*:*:*:*:*:*:*", "matchCriteriaId": "6AA06D88-B2E9-4474-A12E-3D44FC7E6A6B", "versionEndExcluding": "4.5.0.57", "versionStartIncluding": "4.5.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:wso2:universal_gateway:*:*:*:*:*:*:*:*", "matchCriteriaId": "7BD535B3-3554-4F39-AA9A-8A0178A44490", "versionEndExcluding": "4.6.0.21", "versionStartIncluding": "4.6.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The JWT authentication mechanism accepts tokens signed with algorithms other than those explicitly configured or supported. 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The CVSS score is adjusted to 9.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) in single-tenant deployments, reflecting that the impact is contained within a single security authority boundary."}], "id": "CVE-2026-5430", "lastModified": "2026-09-25T12:53:05.517", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 10.0, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 6.0, "source": "ed10eef1-636d-4fbe-9993-6890dfa878f8", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-5430", "options": [{"exploitation": "active"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-09-24T00:00:00+00:00", "version": "2.0.3"}}]}, "published": "2026-08-06T08:16:33.240", "references": [{"source": "ed10eef1-636d-4fbe-9993-6890dfa878f8", "tags": ["Vendor Advisory"], "url": "https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2026/WSO2-2026-5328/"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["US Government Resource"], "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-5430"}], "sourceIdentifier": "ed10eef1-636d-4fbe-9993-6890dfa878f8", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-347"}], "source": "ed10eef1-636d-4fbe-9993-6890dfa878f8", "type": "Secondary"}]}

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