{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-41847", "assignerOrgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d", "state": "PUBLISHED", "assignerShortName": "vmware", "dateReserved": "2026-04-22T06:22:08.200Z", "datePublished": "2026-06-09T03:51:03.298Z", "dateUpdated": "2026-06-09T13:33:56.075Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d", "shortName": "vmware", "dateUpdated": "2026-06-09T03:51:03.298Z"}, "title": "Spring Framework Security Filter Bypass in WebFlux Kotlin Router DSL", "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-284: Improper Access Control", "cweId": "CWE-284", "type": "CWE"}]}], "impacts": [{"descriptions": [{"lang": "en", "value": "Security-related modifications applied to a ServerRequest by a filter in the WebFlux Kotlin Router DSL are silently discarded, causing security enrichment to have no effect and allowing security bypass."}]}], "affected": [{"vendor": "Spring", "product": "Spring Framework", "defaultStatus": "unaffected", "versions": [{"status": "affected", "version": "5.3.0", "lessThan": "5.3.49", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "Spring WebFlux applications may be vulnerable to a security bypass when using the Kotlin Router DSL.\n\nAffected versions:\nSpring Framework 5.3.0 through 5.3.48.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Spring WebFlux applications may be vulnerable to a security bypass when using the Kotlin Router DSL.\n\nAffected versions:\nSpring Framework 5.3.0 through 5.3.48."}]}], "references": [{"url": "https://spring.io/security/cve-2026-41847"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE", "baseScore": 4.8, "baseSeverity": "MEDIUM"}}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.1"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-06-09T13:33:48.567067Z", "id": "CVE-2026-41847", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-09T13:33:56.075Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-41847", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-06-09T13:33:48.567067Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-09T13:33:53.253Z"}}], "cna": {"title": "Spring Framework Security Filter Bypass in WebFlux Kotlin Router DSL", "source": {"discovery": "UNKNOWN"}, "impacts": [{"descriptions": [{"lang": "en", "value": "Security-related modifications applied to a ServerRequest by a filter in the WebFlux Kotlin Router DSL are silently discarded, causing security enrichment to have no effect and allowing security bypass."}]}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.8, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Spring", "product": "Spring Framework", "versions": [{"status": "affected", "version": "5.3.0", "lessThan": "5.3.49", "versionType": "custom"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://spring.io/security/cve-2026-41847"}], "x_generator": {"engine": "Vulnogram 1.0.1"}, "descriptions": [{"lang": "en", "value": "Spring WebFlux applications may be vulnerable to a security bypass when using the Kotlin Router DSL.\n\nAffected versions:\nSpring Framework 5.3.0 through 5.3.48.", "supportingMedia": [{"type": "text/html", "value": "Spring WebFlux applications may be vulnerable to a security bypass when using the Kotlin Router DSL.\n\nAffected versions:\nSpring Framework 5.3.0 through 5.3.48.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-284", "description": "CWE-284: Improper Access Control"}]}], "providerMetadata": {"orgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d", "shortName": "vmware", "dateUpdated": "2026-06-09T03:51:03.298Z"}}}, "cveMetadata": {"cveId": "CVE-2026-41847", "state": "PUBLISHED", "dateUpdated": "2026-06-09T13:33:56.075Z", "dateReserved": "2026-04-22T06:22:08.200Z", "assignerOrgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d", "datePublished": "2026-06-09T03:51:03.298Z", "assignerShortName": "vmware"}, "dataVersion": "5.2"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:vmware:spring_framework:*:*:*:*:*:*:*:*", "matchCriteriaId": "9394F974-169E-4FB0-A85B-0114477DE421", "versionEndExcluding": "5.3.49", "versionStartIncluding": "5.3.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Spring WebFlux applications may be vulnerable to a security bypass when using the Kotlin Router DSL.\n\nAffected versions:\nSpring Framework 5.3.0 through 5.3.48."}], "id": "CVE-2026-41847", "lastModified": "2026-06-11T16:08:39.660", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 2.5, "source": "security@vmware.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2026-06-09T05:16:36.817", "references": [{"source": "security@vmware.com", "tags": ["Vendor Advisory"], "url": "https://spring.io/security/cve-2026-41847"}], "sourceIdentifier": "security@vmware.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-284"}], "source": "security@vmware.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.3.0,5.3.49)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Spring Framework", "source": "cna", "vendor": "Spring"}, "product": "spring_framework", "vendor": "spring"}], "created": "2026-06-09T05:30:36.255471+00:00", "updated": "2026-06-11T20:45:10.797946+00:00", "vendors": ["spring", "spring$PRODUCT$spring_framework"]}