{"api_version":"1","generated_at":"2026-06-10T03:41:29+00:00","cve":"CVE-2026-41732","urls":{"html":"https://cve.report/CVE-2026-41732","api":"https://cve.report/api/cve/CVE-2026-41732.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-41732","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-41732"},"summary":{"title":"In Spring for Apache Pulsar, overly broad trusted-package matching in header mapper exposes JDK classes to deserialization","description":"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.","state":"PUBLISHED","assigner":"vmware","published_at":"2026-06-10 00:16:52","updated_at":"2026-06-10 00:16:52"},"problem_types":["CWE-502","CWE-502 CWE-502: Deserialization of Untrusted Data"],"metrics":[{"version":"3.1","source":"security@vmware.com","type":"Secondary","score":"8.1","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":8.1,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"CVSS","score":"8.1","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","data":{"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"}}],"references":[{"url":"https://spring.io/security/cve-2026-41732","name":"https://spring.io/security/cve-2026-41732","refsource":"security@vmware.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-41732","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-41732","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Spring","product":"Spring for Apache Pulsar","version":"affected 2.0.0 2.0.6 custom","platforms":[]},{"source":"CNA","vendor":"Spring","product":"Spring for Apache Pulsar","version":"affected 1.2.0 1.2.18 custom","platforms":[]},{"source":"CNA","vendor":"Spring","product":"Spring for Apache Pulsar","version":"affected 1.1.0 1.1.18 custom","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Spring for Apache Pulsar","vendor":"Spring","versions":[{"lessThan":"2.0.6","status":"affected","version":"2.0.0","versionType":"custom"},{"lessThan":"1.2.18","status":"affected","version":"1.2.0","versionType":"custom"},{"lessThan":"1.1.18","status":"affected","version":"1.1.0","versionType":"custom"}]}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","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."}],"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."}],"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."}]}],"metrics":[{"cvssV3_1":{"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"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-502","description":"CWE-502: Deserialization of Untrusted Data","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-06-09T23:49:31.164Z","orgId":"dcf2e128-44bd-42ed-91e8-88f912c1401d","shortName":"vmware"},"references":[{"url":"https://spring.io/security/cve-2026-41732"}],"source":{"discovery":"UNKNOWN"},"title":"In Spring for Apache Pulsar, overly broad trusted-package matching in header mapper exposes JDK classes to deserialization","x_generator":{"engine":"Vulnogram 1.0.1"}}},"cveMetadata":{"assignerOrgId":"dcf2e128-44bd-42ed-91e8-88f912c1401d","assignerShortName":"vmware","cveId":"CVE-2026-41732","datePublished":"2026-06-09T23:49:31.164Z","dateReserved":"2026-04-22T06:21:39.015Z","dateUpdated":"2026-06-09T23:49:31.164Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-10 00:16:52","lastModifiedDate":"2026-06-10 00:16:52","problem_types":["CWE-502","CWE-502 CWE-502: Deserialization of Untrusted Data"],"metrics":{"cvssMetricV31":[{"source":"security@vmware.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":8.1,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":2.2,"impactScore":5.9}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"41732","Ordinal":"1","Title":"In Spring for Apache Pulsar, overly broad trusted-package matchi","CVE":"CVE-2026-41732","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"41732","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"In Spring for Apache Pulsar, overly broad trusted-package matchi"}]}}}