{"id":"CVE-2026-47856","title":"Spring Integration's JSON to object conversion uses the json__TypeId__ header to choose the deserialization target type, and resolves that header value to a class with ClassUtils.forName and no type/package allow-list.\nSpring Integration…","summary":"Spring Integration's JSON to object conversion uses the json__TypeId__ header to choose the deserialization target type, and resolves that header value to a class with ClassUtils.forName and no type/package allow-list.\nSpring Integration…","severity":"medium","cvss":6.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","cwe":["CWE-502"],"vendor":"vmware","product":"spring_integration","affected":["spring_integration < 5.5.22","spring_integration >= 6.4.0, < 6.4.13","spring_integration >= 6.5.0, < 6.5.11","spring_integration >= 7.0.0, < 7.0.5.1","spring_integration >= 7.1.0, < 7.1.0.1"],"patched":["spring_integration 7.1.0.1"],"published":"2026-08-27","updated":"2026-09-04","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-47856","references":[{"url":"https://spring.io/security/cve-2026-47856","label":"security@vmware.com"}],"tags":["nvd"],"epss":0.00241,"epssPercentile":0.15482,"ingestedAt":"2026-09-05T19:43:56.096Z","slug":"CVE-2026-47856","body":"## Overview\n\nSpring Integration's JSON to object conversion uses the json__TypeId__ header to choose the deserialization target type, and resolves that header value to a class with ClassUtils.forName and no type/package allow-list.\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\n\n## Affected\n\n- `spring_integration < 5.5.22`\n- `spring_integration >= 6.4.0, < 6.4.13`\n- `spring_integration >= 6.5.0, < 6.5.11`\n- `spring_integration >= 7.0.0, < 7.0.5.1`\n- `spring_integration >= 7.1.0, < 7.1.0.1`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `spring_integration 7.1.0.1`","depth":"sunlit","depthScore":35,"depthScoreParts":{"impact":34.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}