CVE-2026-112159: OS Command Injection in JumpServer
Description
CVE-2026-112159 is a medium severity OS command injection vulnerability in JumpServer affecting versions 4.10.0 through 4.10.19. The vulnerability exists in the Template Rendering component where manipulation of the IP/HOST argument can lead to remote OS command injection. The issue has been publicly disclosed, and a fix is available in JumpServer version 5.0.0, with plans to backport the fix to an upcoming 4.x release.
CVSS v4.0
Score 5.1medium
Affected software
JumpServer
pkg:github/jumpserver/jumpservercpe:2.3:a:jumpserver:jumpserver:*:*:*:*:*:*:*:*Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in JumpServer up to version 4.10.19 involves an OS command injection flaw in an unspecified function within the Template Rendering component. An attacker can manipulate the IP/HOST argument to execute arbitrary OS commands remotely. The vulnerability has a CVSS 4.0 score of 5.1 (medium severity) and has been publicly disclosed. The vendor has fixed the issue in version 5.0.0 and will include the fix in a future 4.x release. The patch identifier is fcf2904cdb884230e9676f50f37a44d09fa97040.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary operating system commands on the affected JumpServer instance, potentially compromising system integrity and confidentiality. The vulnerability requires low attack complexity and no privileges but does require user interaction. The impact on confidentiality, integrity, and availability is low to limited.
Mitigation Recommendations
Upgrade JumpServer to version 5.0.0 or later, where this vulnerability has been fixed. The vendor also plans to release a fix in an upcoming 4.x version. Until then, avoid using affected versions 4.10.0 through 4.10.19. No other mitigations are specified by the vendor.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-10-19T07:24:35.792Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6ad646812cdf04f6566cac8c
Added to database: 10/19/2026, 16:34:09 UTC
Last enriched: 10/19/2026, 16:48:22 UTC
Last updated: 10/19/2026, 19:06:47 UTC
Views: 7
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