{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-41732", "assignerOrgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d", "state": "PUBLISHED", "assignerShortName": "vmware", "dateReserved": "2026-04-22T06:21:39.015Z", "datePublished": "2026-06-09T23:49:31.164Z", "dateUpdated": "2026-06-09T23:49:31.164Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d", "shortName": "vmware", "dateUpdated": "2026-06-09T23:49:31.164Z"}, "title": "In Spring for Apache Pulsar, overly broad trusted-package matching in header mapper exposes JDK classes to deserialization", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-502", "description": "CWE-502: Deserialization of Untrusted Data", "type": "CWE"}]}], "impacts": [{"descriptions": [{"lang": "en", "value": "A producer can supply crafted Pulsar header values that cause the consumer to deserialize arbitrary JDK types via overly broad trusted-package prefix matching in JsonPulsarHeaderMapper."}]}], "affected": [{"vendor": "Spring", "product": "Spring for Apache Pulsar", "defaultStatus": "unaffected", "versions": [{"status": "affected", "version": "2.0.0", "lessThan": "2.0.6", "versionType": "custom"}, {"status": "affected", "version": "1.2.0", "lessThan": "1.2.18", "versionType": "custom"}, {"status": "affected", "version": "1.1.0", "lessThan": "1.1.18", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "JsonPulsarHeaderMapper matched type headers against trusted packages using a prefix check, meaning that trusting any package implicitly trusted all of its subpackages. Additionally, an empty trusted-packages configuration fell back to trusting all packages rather than applying a safe default allow-list.\n\nAffected versions:\nSpring for Apache Pulsar 2.0.0 through 2.0.5; 1.2.0 through 1.2.17; 1.1.0 through 1.1.17.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "JsonPulsarHeaderMapper matched type headers against trusted packages using a prefix check, meaning that trusting any package implicitly trusted all of its subpackages. Additionally, an empty trusted-packages configuration fell back to trusting all packages rather than applying a safe default allow-list.\n\nAffected versions:\nSpring for Apache Pulsar 2.0.0 through 2.0.5; 1.2.0 through 1.2.17; 1.1.0 through 1.1.17."}]}], "references": [{"url": "https://spring.io/security/cve-2026-41732"}], "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:H/I:H/A:H", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH"}}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.1"}}}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "JsonPulsarHeaderMapper matched type headers against trusted packages using a prefix check, meaning that trusting any package implicitly trusted all of its subpackages. Additionally, an empty trusted-packages configuration fell back to trusting all packages rather than applying a safe default allow-list.\n\nAffected versions:\nSpring for Apache Pulsar 2.0.0 through 2.0.5; 1.2.0 through 1.2.17; 1.1.0 through 1.1.17."}], "id": "CVE-2026-41732", "lastModified": "2026-06-10T00:16:52.720", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 5.9, "source": "security@vmware.com", "type": "Secondary"}]}, "published": "2026-06-10T00:16:52.720", "references": [{"source": "security@vmware.com", "url": "https://spring.io/security/cve-2026-41732"}], "sourceIdentifier": "security@vmware.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-502"}], "source": "security@vmware.com", "type": "Secondary"}]}

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{"created": "2026-06-10T01:30:18.170256+00:00", "updated": "2026-06-10T01:30:18.170267+00:00", "vendors": []}