{"id":"CVE-2026-73632","summary":"Apache Struts: Shared serialization state in the JSON plugin","details":"Exposure of data element to wrong session vulnerability in the JSON plugin of Apache Struts. Per-response serialization state could be shared across concurrent requests, allowing response content associated with one request to become observable in another. Only the SMD / JSON-RPC handling of the JSON interceptor is affected, which is not enabled by default; applications using the json result type are not affected.\n\nThis issue affects Apache Struts: 7.2.1.\n\nUsers are recommended to upgrade to version 7.3.0, which fixes the issue.","modified":"2026-08-20T03:55:09.515087525Z","published":"2026-08-15T10:38:53.381Z","database_specific":{"cna_assigner":"apache","cwe_ids":["CWE-567"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/73xxx/CVE-2026-73632.json","unresolved_ranges":[{"extracted_events":[{"introduced":"7.2.1"},{"last_affected":"7.2.1"}],"source":"AFFECTED_FIELD"}]},"references":[{"type":"ADVISORY","url":"https://cwiki.apache.org/confluence/display/WW/S2-071"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/73xxx/CVE-2026-73632.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-73632"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apache/struts","events":[{"introduced":"8e31112c0bd53f4b27571f557777c06e0666f6e0"},{"last_affected":"8e31112c0bd53f4b27571f557777c06e0666f6e0"}],"database_specific":{"cpe":"cpe:2.3:a:apache:struts:7.2.1:*:*:*:*:*:*:*","extracted_events":[{"introduced":"7.2.1"},{"last_affected":"7.2.1"}],"source":"CPE_STRING"}}],"versions":["7.2.1","STRUTS_7_2_1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-73632.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"}]}