{"id":"CVE-2019-6503","aliases":["EUVD-2019-16062","GHSA-cj22-x34q-g6g7"],"status":"published","title":"There is a deserialization vulnerability in Chatopera cosin v3.10.0. An attacker can execute...","description":"There is a deserialization vulnerability in Chatopera cosin v3.10.0. An attacker can execute commands during server-side deserialization by uploading maliciously constructed files. This is related to the TemplateController.java impsave method and the MainUtils toObject method.","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.02232,"percentile":0.82895,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-502"],"published":"2019-01-22T14:00:00Z","modified":"2026-10-20T10:51:41Z","products":[{"vendor":"chatopera","product":"cosin"}],"references":[{"url":"https://github.com/chatopera/cosin/issues/177","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Issue Tracking","Third Party Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-6503"},{"url":"https://github.com/advisories/GHSA-cj22-x34q-g6g7"}],"sources":{"cve":[{"id":"CVE-2019-6503","description":"There is a deserialization vulnerability in Chatopera cosin v3.10.0. An attacker can execute commands during server-side deserialization by uploading maliciously constructed files. This is related to the TemplateController.java impsave method and the MainUtils toObject method.","status":"published","published":"2019-01-22T14:00:00Z","modified":"2024-09-16T23:01:28.285Z","updated_at":"2026-11-02T14:20:23.048861Z"}],"euvd":[{"id":"EUVD-2019-16062","description":"There is a deserialization vulnerability in Chatopera cosin v3.10.0. An attacker can execute commands during server-side deserialization by uploading maliciously constructed files. This is related to the TemplateController.java impsave method and the MainUtils toObject method.","status":"published","published":"2019-01-22T14:00:00Z","modified":"2024-09-16T23:01:28Z","updated_at":"2026-11-03T00:54:57.7565Z"}],"ghsa":[{"id":"GHSA-cj22-x34q-g6g7","title":"There is a deserialization vulnerability in Chatopera cosin v3.10.0. An attacker can execute...","description":"There is a deserialization vulnerability in Chatopera cosin v3.10.0. An attacker can execute commands during server-side deserialization by uploading maliciously constructed files. This is related to the TemplateController.java impsave method and the MainUtils toObject method.","status":"published","published":"2022-05-14T01:33:53Z","modified":"2023-02-02T05:04:06Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:51:47.403205Z"}],"nvd":[{"id":"CVE-2019-6503","description":"There is a deserialization vulnerability in Chatopera cosin v3.10.0. An attacker can execute commands during server-side deserialization by uploading maliciously constructed files. This is related to the TemplateController.java impsave method and the MainUtils toObject method.","status":"published","published":"2019-01-22T14:29:00.563Z","modified":"2026-06-17T02:39:09.253Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:05:02.989216Z"}],"osv":[{"id":"CVE-2019-6503","description":"There is a deserialization vulnerability in Chatopera cosin v3.10.0. An attacker can execute commands during server-side deserialization by uploading maliciously constructed files. This is related to the TemplateController.java impsave method and the MainUtils toObject method.","status":"published","published":"2019-01-22T14:29:00.563Z","modified":"2026-10-20T10:51:41.419106075Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:12.675558Z"}]}}