CVE-2026-44845JumpServer: Remote Command Execution (RCE) via Jinja Template Injection in Applet Host Deployment
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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
- 6.7 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:H
- Weakness (CWE)
- CWE-1336
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- GitHub_M
- NVD analysis
- Deferred
- Record last updated
- Aug 18, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
jumpserver jumpserver jumpserver:jumpserver (from the name) | before 4.10.17 | CNA record |
References
- https://github.com/jumpserver/jumpserver/security/advisories/GHSA-22h6-pcgh-9v7qx-refsource-confirm
- https://github.com/jumpserver/jumpserver/pull/16749x-refsource-misc
- https://github.com/jumpserver/jumpserver/pull/16886x-refsource-misc
- https://github.com/jumpserver/jumpserver/commit/cc57ba0de5f6015746fae11cfc62402b11618e59x-refsource-misc
- https://github.com/jumpserver/jumpserver/releases/tag/v4.10.17x-refsource-misc
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.