CVE Explorer
CVE-2026-41855
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.
Affected versions:
Spring 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.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"Spring Framework","vendor":"Spring","versions":[{"lessThan":"7.0.7.1","status":"affected","version":"7.0.0","versionType":"custom"},{"lessThan":"6.2.18.1","status":"affected","version":"6.2.0","versionType":"custom"},{"lessThan":"6.1.28","status":"affected","version":"6.1.0","versionType":"custom"},{"lessThan":"5.3.49","status":"affected","version":"5.3.0","versionType":"custom"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:eb5b285b6021074c9755623b40cad8772ffd2fb7d1d9e1f418bc791db3bbb5b3 · sha256:8824b45d8ded7331… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"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"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:eb5b285b6021074c9755623b40cad8772ffd2fb7d1d9e1f418bc791db3bbb5b3 · sha256:8824b45d8ded7331… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-502","description":"CWE-502: Deserialization of Untrusted Data","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:eb5b285b6021074c9755623b40cad8772ffd2fb7d1d9e1f418bc791db3bbb5b3 · sha256:8824b45d8ded7331… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"url":"https://spring.io/security/cve-2026-41855"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:eb5b285b6021074c9755623b40cad8772ffd2fb7d1d9e1f418bc791db3bbb5b3 · sha256:8824b45d8ded7331… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.