{"id":"CVE-2026-73632","aliases":["EUVD-2026-59606","GHSA-87hf-473v-8h9c"],"status":"published","title":"Apache Struts: Shared serialization state in the JSON plugin","description":"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.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-09","score":0.00375,"percentile":0.3177,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-567"],"published":"2026-08-15T10:38:53Z","modified":"2026-10-28T02:30:40Z","products":[{"vendor":"apache","product":"struts"},{"vendor":"apache software foundation","product":"apache struts"}],"references":[{"url":"https://cwiki.apache.org/confluence/display/WW/S2-071","tags":["vendor-advisory","Vendor Advisory","Mitigation","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-73632","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-87hf-473v-8h9c"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/73xxx/CVE-2026-73632.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-73632","title":"Apache Struts: Shared serialization state in the JSON plugin","description":"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.","status":"published","published":"2026-08-15T10:38:53.381Z","modified":"2026-08-17T12:40:45.499Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-567"],"updated_at":"2026-11-02T13:43:22.599321Z"}],"euvd":[{"id":"EUVD-2026-59606","description":"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.","status":"published","published":"2026-08-15T10:38:53Z","modified":"2026-08-17T12:40:45Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T18:01:49.335011Z"}],"ghsa":[{"id":"GHSA-87hf-473v-8h9c","title":"Exposure of data element to wrong session vulnerability in the JSON plugin of Apache Struts. Per...","description":"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.","status":"published","published":"2026-08-15T12:30:19Z","modified":"2026-08-17T15:31:40Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-567"],"updated_at":"2026-11-02T15:10:34.652326Z"}],"nvd":[{"id":"CVE-2026-73632","description":"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.","status":"published","published":"2026-08-15T11:16:27.33Z","modified":"2026-08-18T17:47:08.787Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-567"],"updated_at":"2026-11-02T14:12:38.29747Z"}],"osv":[{"id":"CVE-2026-73632","title":"Apache Struts: Shared serialization state in the JSON plugin","description":"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.","status":"published","published":"2026-08-15T10:38:53.381Z","modified":"2026-10-28T02:30:40.250406161Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-567"],"updated_at":"2026-11-02T15:45:16.365946Z"}]}}