{"id":"CVE-2023-28110","aliases":["EUVD-2023-31828","GHSA-6x5p-jm59-jh29"],"status":"published","title":"JumpServer Koko vulnerable to Command Injection for Kubernetes Connection","description":"Jumpserver is a popular open source bastion host, and Koko is a Jumpserver component that is the Go version of coco, refactoring coco's SSH/SFTP service and Web Terminal service. Prior to version 2.28.8, using illegal tokens to connect to a Kubernetes cluster through Koko can result in the execution of dangerous commands that may disrupt the Koko container environment and affect normal usage. The vulnerability has been fixed in v2.28.8.","severity":{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:H/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00848,"percentile":0.58423,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-77"],"published":"2023-03-16T16:18:49Z","modified":"2026-10-28T02:30:57Z","products":[{"vendor":"fit2cloud","product":"jumpserver"},{"vendor":"fit2cloud","product":"koko"},{"vendor":"jumpserver","product":"jumpserver"}],"references":[{"url":"https://github.com/jumpserver/jumpserver/security/advisories/GHSA-6x5p-jm59-jh29","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Vendor Advisory","advisory"]},{"url":"https://github.com/jumpserver/jumpserver/releases/tag/v2.28.8","tags":["x_refsource_MISC","x_transferred","Patch","Release Notes","web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/28xxx/CVE-2023-28110.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-28110","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-28110","title":"JumpServer Koko vulnerable to Command Injection for Kubernetes Connection ","description":"Jumpserver is a popular open source bastion host, and Koko is a Jumpserver component that is the Go version of coco, refactoring coco's SSH/SFTP service and Web Terminal service. Prior to version 2.28.8, using illegal tokens to connect to a Kubernetes cluster through Koko can result in the execution of dangerous commands that may disrupt the Koko container environment and affect normal usage. The vulnerability has been fixed in v2.28.8.","status":"published","published":"2023-03-16T16:18:49.977Z","modified":"2025-02-25T14:55:29.601Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:H/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-77"],"updated_at":"2026-11-02T14:35:32.752775Z"}],"euvd":[{"id":"EUVD-2023-31828","description":"Jumpserver is a popular open source bastion host, and Koko is a Jumpserver component that is the Go version of coco, refactoring coco's SSH/SFTP service and Web Terminal service. Prior to version 2.28.8, using illegal tokens to connect to a Kubernetes cluster through Koko can result in the execution of dangerous commands that may disrupt the Koko container environment and affect normal usage. The vulnerability has been fixed in v2.28.8.","status":"published","published":"2023-03-16T16:18:49Z","modified":"2025-02-25T14:55:29Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:H/A:H","level":"medium"}],"updated_at":"2026-11-02T20:53:24.646946Z"}],"nvd":[{"id":"CVE-2023-28110","description":"Jumpserver is a popular open source bastion host, and Koko is a Jumpserver component that is the Go version of coco, refactoring coco's SSH/SFTP service and Web Terminal service. Prior to version 2.28.8, using illegal tokens to connect to a Kubernetes cluster through Koko can result in the execution of dangerous commands that may disrupt the Koko container environment and affect normal usage. The vulnerability has been fixed in v2.28.8.","status":"published","published":"2023-03-16T17:15:09.85Z","modified":"2026-06-17T05:46:53.613Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:H/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-77"],"updated_at":"2026-11-02T14:07:49.031498Z"}],"osv":[{"id":"CVE-2023-28110","title":"JumpServer Koko vulnerable to Command Injection for Kubernetes Connection ","description":"Jumpserver is a popular open source bastion host, and Koko is a Jumpserver component that is the Go version of coco, refactoring coco's SSH/SFTP service and Web Terminal service. Prior to version 2.28.8, using illegal tokens to connect to a Kubernetes cluster through Koko can result in the execution of dangerous commands that may disrupt the Koko container environment and affect normal usage. The vulnerability has been fixed in v2.28.8.","status":"published","published":"2023-03-16T16:18:49.977Z","modified":"2026-10-28T02:30:57.380523432Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:H/A:H","level":"medium"}],"cwes":["CWE-77"],"updated_at":"2026-11-02T15:44:31.468318Z"}]}}