CVE-2023-28110
criticalpriority · track · 40EPSS 0.008 · 58 %ileEUUSEPSS · scored 2026-10-27
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
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–critical · 5.7–9.9
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (3)
Products and version ranges known to be affected.
also known as (2)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (7)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2023-28110/cnnvd
- https://github.com/jumpserver/jumpserver/releases/tag/v2.28.8cnnvd
- https://github.com/jumpserver/jumpserver/security/advisories/GHSA-6x5p-jm59-jh29cnnvd
- https://github.com/jumpserver/jumpserver/releases/tag/v2.28.8enisa_euvd
- https://github.com/jumpserver/jumpserver/security/advisories/GHSA-6x5p-jm59-jh29enisa_euvd
- https://github.com/jumpserver/jumpserver/releases/tag/v2.28.8PatchRelease Notesnvd
- https://github.com/jumpserver/jumpserver/security/advisories/GHSA-6x5p-jm59-jh29ExploitVendor Advisorynvd
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