{"attribution":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","cve":{"id":"CVE-2026-59321","sourceIdentifier":"security@vmware.com","published":"2026-08-27T20:17:58.147","lastModified":"2026-08-31T17:27:25.647","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"A single ScriptEngine instance is reused for every message on a script-backed channel. For JSR-223 engines that report THREADING=null (not thread-safe, e.g. the Kotlin kts engine), concurrent message processing can corrupt engine-internal state, potentially leaking one message's payload/headers bindings into another message's script evaluation or throwing spurious exceptions.\nSpring Integration 7.1.0\nSpring Integration 7.0.0 - 7.0.5\nSpring Integration 6.5.0 - 6.5.10\nSpring Integration 6.4.0 - 6.4.12\nSpring Integration 5.5.21 and earlier"}],"affected":[{"source":"security@vmware.com","affectedData":[{"vendor":"Spring","product":"Spring Integration","defaultStatus":"unaffected","versions":[{"version":"7.1.0","versionType":"custom","status":"affected"},{"version":"7.0.0","lessThanOrEqual":"7.0.5","versionType":"custom","status":"affected"},{"version":"6.5.0","lessThanOrEqual":"6.5.10","versionType":"custom","status":"affected"},{"version":"6.4.0","lessThanOrEqual":"6.4.12","versionType":"custom","status":"affected"},{"version":"0","lessThanOrEqual":"5.5.21","versionType":"custom","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"security@vmware.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N","baseScore":4.2,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":1.6,"impactScore":2.5},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","baseScore":5.4,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":2.5}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-08-28T22:43:08.110980Z","id":"CVE-2026-59321","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","description":[{"lang":"en","value":"CWE-362"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:vmware:spring_integration:*:*:*:*:*:*:*:*","versionEndIncluding":"5.5.21","matchCriteriaId":"2BCE23EC-7BE3-459E-BFAD-74B717CE2BCC"},{"vulnerable":true,"criteria":"cpe:2.3:a:vmware:spring_integration:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4.0","versionEndIncluding":"6.4.12","matchCriteriaId":"8A18ED89-1F57-44FA-A2E9-F000526BB734"},{"vulnerable":true,"criteria":"cpe:2.3:a:vmware:spring_integration:*:*:*:*:*:*:*:*","versionStartIncluding":"6.5.0","versionEndIncluding":"6.5.10","matchCriteriaId":"DD648256-129C-41D7-B2CD-894306031684"},{"vulnerable":true,"criteria":"cpe:2.3:a:vmware:spring_integration:*:*:*:*:*:*:*:*","versionStartIncluding":"7.0.0","versionEndExcluding":"7.0.5.1","matchCriteriaId":"F075888D-6CE0-4462-84ED-1FD348EED24A"},{"vulnerable":true,"criteria":"cpe:2.3:a:vmware:spring_integration:*:*:*:*:*:*:*:*","versionStartIncluding":"7.1.0","versionEndExcluding":"7.1.0.1","matchCriteriaId":"4F9FA670-735A-46AC-BF7F-68BDEBA464B3"}]}]}],"references":[{"url":"https://spring.io/security/cve-2026-59321","source":"security@vmware.com","tags":["Vendor Advisory"]}]}}