{"id":"CVE-2026-4735","aliases":["EUVD-2026-14708","GHSA-q9jc-xq58-m52x"],"status":"published","title":"A stack overflow and DoS vulnerability in DTStack/chunjun","description":"Deserialization of Untrusted Data vulnerability in DTStack chunjun (‎chunjun-core/src/main/java/com/dtstack/chunjun/util modules). This vulnerability is associated with program files GsonUtil.Java.\n\nThis issue affects chunjun: before 1.16.1.","severity":{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:P/S:N/AU:Y/R:U/V:C/RE:M/U:Amber","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00283,"percentile":0.20968,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-502"],"published":"2026-03-24T03:08:18Z","modified":"2026-10-28T11:11:19Z","products":[{"vendor":"dtstack","product":"chunjun"}],"references":[{"url":"https://github.com/DTStack/chunjun/pull/1939","tags":["patch","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-4735","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-q9jc-xq58-m52x"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/4xxx/CVE-2026-4735.json","tags":["advisory"]},{"url":"https://github.com/DTStack/chunjun","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-4735","title":"A stack overflow and DoS vulnerability in DTStack/chunjun","description":"Deserialization of Untrusted Data vulnerability in DTStack chunjun (‎chunjun-core/src/main/java/com/dtstack/chunjun/util modules). This vulnerability is associated with program files GsonUtil.Java.\n\nThis issue affects chunjun: before 1.16.1.","status":"published","published":"2026-03-24T03:08:18.156Z","modified":"2026-03-24T14:36:43.076Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:P/S:N/AU:Y/R:U/V:C/RE:M/U:Amber","level":"high","assessor":"cna"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:19:58.944663Z"}],"euvd":[{"id":"EUVD-2026-14708","description":"Deserialization of Untrusted Data vulnerability in DTStack chunjun (‎chunjun-core/src/main/java/com/dtstack/chunjun/util modules). This vulnerability is associated with program files GsonUtil.Java.\n\nThis issue affects chunjun: before 1.16.1.","status":"published","published":"2026-03-24T03:08:18Z","modified":"2026-03-24T14:36:43Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:P/S:N/AU:Y/R:U/V:C/RE:M/U:Amber","level":"high"}],"updated_at":"2026-11-02T19:25:30.317985Z"}],"ghsa":[{"id":"GHSA-q9jc-xq58-m52x","title":"Deserialization of Untrusted Data vulnerability in DTStack chunjun (‎chunjun-core/src/main/java...","description":"Deserialization of Untrusted Data vulnerability in DTStack chunjun (‎chunjun-core/src/main/java/com/dtstack/chunjun/util modules). This vulnerability is associated with program files GsonUtil.Java.\n\nThis issue affects chunjun: before 1.16.1.","status":"published","published":"2026-03-24T06:31:12Z","modified":"2026-03-24T06:31:13Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:N/AU:Y/R:U/V:C/RE:M/U:Amber","level":"high"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:06:49.419052Z"}],"nvd":[{"id":"CVE-2026-4735","description":"Deserialization of Untrusted Data vulnerability in DTStack chunjun (‎chunjun-core/src/main/java/com/dtstack/chunjun/util modules). This vulnerability is associated with program files GsonUtil.Java.\n\nThis issue affects chunjun: before 1.16.1.","status":"published","published":"2026-03-24T04:17:26.117Z","modified":"2026-06-17T10:57:08.7Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:N/AU:Y/R:U/V:C/RE:M/U:Amber","level":"high","assessor":"secondary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:12:10.568062Z"}],"osv":[{"id":"CVE-2026-4735","title":"A stack overflow and DoS vulnerability in DTStack/chunjun","description":"Deserialization of Untrusted Data vulnerability in DTStack chunjun (‎chunjun-core/src/main/java/com/dtstack/chunjun/util modules). This vulnerability is associated with program files GsonUtil.Java.\n\nThis issue affects chunjun: before 1.16.1.","status":"published","published":"2026-03-24T03:08:18.156Z","modified":"2026-10-28T11:11:19.421107031Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:P/S:N/AU:Y/R:U/V:C/RE:M/U:Amber","level":"high"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:45:06.231145Z"}]}}