{"id":"CVE-2026-41855","state":"PUBLISHED","title":"Spring Framework Unsafe Deserialization via Jackson JMS Converters","description":"In an untrusted JMS environment, org.springframework.jms.support.converter.MappingJackson2MessageConverter and org.springframework.jms.support.converter.JacksonJsonMessageConverter allow arbitrary class instantiation, which can lead to unauthorized actions via gadget class deserialization.\n\nAffected versions:\nSpring Framework 7.0.0 through 7.0.7; 6.2.0 through 6.2.18; 6.1.0 through 6.1.27; 5.3.0 through 5.3.48.","publishedAt":"2026-06-09T03:51:57.287Z","updatedAt":"2026-06-27T21:07:12.717Z","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 Framework"],"affected":[{"vendor":"Spring","product":"Spring Framework","defaultStatus":"unaffected","versions":[{"version":"7.0.0","status":"affected","lessThan":"7.0.7.1","versionType":"custom"},{"version":"6.2.0","status":"affected","lessThan":"6.2.18.1","versionType":"custom"},{"version":"6.1.0","status":"affected","lessThan":"6.1.28","versionType":"custom"},{"version":"5.3.0","status":"affected","lessThan":"5.3.49","versionType":"custom"}]}],"references":["https://spring.io/security/cve-2026-41855"],"weaknesses":["CWE-502"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/41xxx/CVE-2026-41855.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-41855","state":"PUBLISHED","datePublished":"2026-06-09T03:51:57.287Z","dateUpdated":"2026-06-27T21:07:12.717Z","assignerShortName":"vmware","assignerOrgId":"dcf2e128-44bd-42ed-91e8-88f912c1401d","dateReserved":"2026-04-22T06:22:10.081Z"},"containers":{"cna":{"title":"Spring Framework Unsafe Deserialization via Jackson JMS Converters","descriptions":[{"lang":"en","value":"In an untrusted JMS environment, org.springframework.jms.support.converter.MappingJackson2MessageConverter and org.springframework.jms.support.converter.JacksonJsonMessageConverter allow arbitrary class instantiation, which can lead to unauthorized actions via gadget class deserialization.\n\nAffected versions:\nSpring Framework 7.0.0 through 7.0.7; 6.2.0 through 6.2.18; 6.1.0 through 6.1.27; 5.3.0 through 5.3.48."}],"affected":[{"vendor":"Spring","product":"Spring Framework","defaultStatus":"unaffected","versions":[{"version":"7.0.0","status":"affected","lessThan":"7.0.7.1","versionType":"custom"},{"version":"6.2.0","status":"affected","lessThan":"6.2.18.1","versionType":"custom"},{"version":"6.1.0","status":"affected","lessThan":"6.1.28","versionType":"custom"},{"version":"5.3.0","status":"affected","lessThan":"5.3.49","versionType":"custom"}]}],"references":[{"url":"https://spring.io/security/cve-2026-41855"}],"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":"2026-06-27T21:07:12.717Z"},"impacts":[{"descriptions":[{"lang":"en","value":"In an untrusted JMS environment, MappingJackson2MessageConverter and JacksonJsonMessageConverter allow arbitrary class instantiation via gadget class deserialization, potentially leading to unauthorized actions."}]}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.1"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-09T00:00:00+00:00","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3","id":"CVE-2026-41855"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-06-10T03:58:29.461Z"}}]}}}