{"id":"CLEANSTART-2026-AH35927","summary":"DefaultBaseTypeLimitingValidator is the PolymorphicTypeValidator applied automatically whenever @JsonTypeInfo is used without an explicitly configured custom validator","details":"Multiple security vulnerabilities affect the wso2is package. DefaultBaseTypeLimitingValidator is the PolymorphicTypeValidator applied automatically whenever @JsonTypeInfo is used without an explicitly configured custom validator. See references for individual vulnerability details.","modified":"2026-09-18T12:15:07.430523522Z","published":"2026-09-18T00:39:58.619142Z","withdrawn":"2026-09-18T11:59:01.768079Z","upstream":["CVE-2026-18401","CVE-2026-19032","CVE-2026-19203","CVE-2026-57819","CVE-2026-64607","CVE-2026-64958","CVE-2026-71290","CVE-2026-83557","ghsa-r7wm-3cxj-wff9"],"database_specific":{},"references":[{"type":"ADVISORY","url":"https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-AH35927.json"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2026-18401"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2026-19032"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2026-19203"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2026-57819"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2026-64607"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2026-64958"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2026-71290"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2026-83557"},{"type":"WEB","url":"https://osv.dev/vulnerability/ghsa-r7wm-3cxj-wff9"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-18401"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-19032"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-19203"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-57819"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64607"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64958"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-71290"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-83557"}],"affected":[{"package":{"name":"wso2is","ecosystem":"CleanStart"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.3.0-r5"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-AH35927.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}