{"id":"CVE-2026-41732","state":"PUBLISHED","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.","publishedAt":"2026-06-09T23:49:31.164Z","updatedAt":"2026-06-27T21:17:35.895Z","severity":{"score":8.1,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"vmware"},"assigner":"vmware","products":["Spring Spring for Apache Pulsar"],"affected":[{"vendor":"Spring","product":"Spring for Apache Pulsar","defaultStatus":"unaffected","versions":[{"version":"2.0.0","status":"affected","lessThan":"2.0.5.1","versionType":"custom"},{"version":"1.2.0","status":"affected","lessThan":"1.2.17.1","versionType":"custom"},{"version":"1.1.0","status":"affected","lessThan":"1.1.18","versionType":"custom"}]}],"references":["https://spring.io/security/cve-2026-41732"],"weaknesses":["CWE-502"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/41xxx/CVE-2026-41732.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-41732","state":"PUBLISHED","datePublished":"2026-06-09T23:49:31.164Z","dateUpdated":"2026-06-27T21:17:35.895Z","assignerShortName":"vmware","assignerOrgId":"dcf2e128-44bd-42ed-91e8-88f912c1401d","dateReserved":"2026-04-22T06:21:39.015Z"},"containers":{"cna":{"title":"In Spring for Apache Pulsar, overly broad trusted-package matching in header mapper exposes JDK classes to deserialization","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."}],"affected":[{"vendor":"Spring","product":"Spring for Apache Pulsar","defaultStatus":"unaffected","versions":[{"version":"2.0.0","status":"affected","lessThan":"2.0.5.1","versionType":"custom"},{"version":"1.2.0","status":"affected","lessThan":"1.2.17.1","versionType":"custom"},{"version":"1.1.0","status":"affected","lessThan":"1.1.18","versionType":"custom"}]}],"references":[{"url":"https://spring.io/security/cve-2026-41732"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseSeverity":"HIGH","baseScore":8.1,"vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-502","lang":"en","description":"CWE-502: Deserialization of Untrusted Data","type":"CWE"}]}],"providerMetadata":{"shortName":"vmware","orgId":"dcf2e128-44bd-42ed-91e8-88f912c1401d","dateUpdated":"2026-06-27T21:17:35.895Z"},"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."}]}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.1"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-10T18:52:35.652237Z","id":"CVE-2026-41732","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-06-10T18:52:44.574Z"}}]}}}