{"cve":"CVE-2023-28110","nvd":{"published":"2023-03-16T17:15:09.850","modified":"2026-06-17T05:46:53.613","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","score":9.9},"cwes":["CWE-77"],"references":["https://github.com/jumpserver/jumpserver/releases/tag/v2.28.8","https://github.com/jumpserver/jumpserver/security/advisories/GHSA-6x5p-jm59-jh29","https://github.com/jumpserver/jumpserver/releases/tag/v2.28.8","https://github.com/jumpserver/jumpserver/security/advisories/GHSA-6x5p-jm59-jh29"],"products":["fit2cloud:jumpserver","fit2cloud:koko"],"source":"nvd","synced_at":"2026-10-19T21:37:41.955480748+00:00"},"epss":{"cve":"CVE-2023-28110","score":0.00848,"percentile":0.58124,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}