Vulnerability Description
JumpServer is an open source bastion host and an operation and maintenance security audit system. Prior to 4.10.17, an authenticated administrator with Applet Host management and deployment permissions can inject Jinja2 expressions into the IP/Host field or Core Service Address field, causing Ansible to evaluate ansible_host inventory data or playbook variables during Applet Host deployment and execute arbitrary commands on the JumpServer control node. This issue is fixed in version 4.10.17.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/jumpserver/jumpserver/commit/cc57ba0de5f6015746fae11cfc62402b
- https://github.com/jumpserver/jumpserver/pull/16749
- https://github.com/jumpserver/jumpserver/pull/16886
- https://github.com/jumpserver/jumpserver/releases/tag/v4.10.17
- https://github.com/jumpserver/jumpserver/security/advisories/GHSA-22h6-pcgh-9v7q
- https://github.com/jumpserver/jumpserver/security/advisories/GHSA-22h6-pcgh-9v7q
FAQ
What is CVE-2026-44845?
CVE-2026-44845 is a vulnerability with a CVSS score of 6.7 (MEDIUM). JumpServer is an open source bastion host and an operation and maintenance security audit system. Prior to 4.10.17, an authenticated administrator with Applet Host management and deployment permission...
How severe is CVE-2026-44845?
CVE-2026-44845 has been rated MEDIUM with a CVSS base score of 6.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-44845?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.