CVE-2026-44845 | BDVDB-2026-360497 Detail
jumpserverjumpserver
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.
Impact#
Per CVSS v3.1: confidentiality impact high, integrity impact low, availability impact high. Attack vector: network.
Weaknesses#
- CWE-1336 Improper Neutralization of Special Elements Used in a Template Engine
References#
- https://github.com/jumpserver/jumpserver/security/advisories/GHSA-22h6-pcgh-9v7q
- https://github.com/jumpserver/jumpserver/pull/16749
- https://github.com/jumpserver/jumpserver/pull/16886
- https://github.com/jumpserver/jumpserver/commit/cc57ba0de5f6015746fae11cfc62402b11618e59
- https://github.com/jumpserver/jumpserver/releases/tag/v4.10.17
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.