{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-47891", "assignerOrgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d", "state": "PUBLISHED", "assignerShortName": "vmware", "dateReserved": "2026-05-20T10:01:00.477Z", "datePublished": "2026-08-27T05:21:39.288Z", "dateUpdated": "2026-08-27T05:21:39.288Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d", "shortName": "vmware", "dateUpdated": "2026-08-27T05:21:39.288Z"}, "title": "Spring Framework maxInMemorySize Bypassed in Jaxb2Decoder", "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-770 Allocation of Resources Without Limits or Throttling", "type": "CWE"}]}], "impacts": [{"descriptions": [{"lang": "en", "value": "A Spring WebFlux application that relies on the Aalto XML processor to parse XML input does not correctly enforce the maxInMemorySize limit."}]}], "affected": [{"vendor": "Spring", "product": "Spring Framework", "versions": [{"status": "affected", "version": "7.0.0", "lessThanOrEqual": "7.0.8", "versionType": "custom"}, {"status": "affected", "version": "6.2.0", "lessThanOrEqual": "6.2.19", "versionType": "custom"}, {"status": "affected", "version": "6.1.0", "lessThanOrEqual": "6.1.28", "versionType": "custom"}, {"status": "affected", "version": "6.0.0", "lessThanOrEqual": "6.0.30", "versionType": "custom"}, {"status": "affected", "version": "5.3.0", "lessThanOrEqual": "5.3.49", "versionType": "custom"}, {"status": "affected", "version": "0", "lessThanOrEqual": "5.2.25.RELEASE", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "A Spring WebFlux application that relies on the Aalto XML processor to parse XML input does not correctly enforce the maxInMemorySize limit.\nSpring Framework 7.0.0 - 7.0.8\nSpring Framework 6.2.0 - 6.2.19\nSpring Framework 6.1.0 - 6.1.28\nSpring Framework 6.0.0 - 6.0.30\nSpring Framework 5.3.0 - 5.3.49\nSpring Framework 5.2.25.RELEASE and earlier", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>A Spring WebFlux application that relies on the Aalto XML processor to parse XML input does not correctly enforce the maxInMemorySize limit.</p><p>Spring Framework 7.0.0 - 7.0.8<br/>Spring Framework 6.2.0 - 6.2.19<br/>Spring Framework 6.1.0 - 6.1.28<br/>Spring Framework 6.0.0 - 6.0.30<br/>Spring Framework 5.3.0 - 5.3.49<br/>Spring Framework 5.2.25.RELEASE and earlier</p>"}]}], "references": [{"url": "https://spring.io/security/cve-2026-47891"}], "source": {"discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Spring Framework", "vendor": "Spring", "versions": [{"lessThanOrEqual": "7.0.8", "status": "affected", "version": "7.0.0", "versionType": "custom"}, {"lessThanOrEqual": "6.2.19", "status": "affected", "version": "6.2.0", "versionType": "custom"}, {"lessThanOrEqual": "6.1.28", "status": "affected", "version": "6.1.0", "versionType": "custom"}, {"lessThanOrEqual": "6.0.30", "status": "affected", "version": "6.0.0", "versionType": "custom"}, {"lessThanOrEqual": "5.3.49", "status": "affected", "version": "5.3.0", "versionType": "custom"}, {"lessThanOrEqual": "5.2.25.RELEASE", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "[email protected]"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A Spring WebFlux application that relies on the Aalto XML processor to parse XML input does not correctly enforce the maxInMemorySize limit.\nSpring Framework 7.0.0 - 7.0.8\nSpring Framework 6.2.0 - 6.2.19\nSpring Framework 6.1.0 - 6.1.28\nSpring Framework 6.0.0 - 6.0.30\nSpring Framework 5.3.0 - 5.3.49\nSpring Framework 5.2.25.RELEASE and earlier"}], "id": "CVE-2026-47891", "lastModified": "2026-08-27T06:17:20.287", "metrics": {}, "published": "2026-08-27T06:17:20.287", "references": [{"source": "[email protected]", "url": "https://spring.io/security/cve-2026-47891"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[7.0.0,7.0.8]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.2.0,6.2.19]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.1.0,6.1.28]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.0.0,6.0.30]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.3.0,5.3.49]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,5.2.25.RELEASE]"}}], "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": "2026-08-27T07:45:03.820923+00:00", "updated": "2026-08-27T07:45:03.937615+00:00", "vendors": ["spring", "spring$PRODUCT$spring_framework"], "weaknesses": ["CWE-400"]}