CVE-2026-112159

JumpServer Template Rendering os command injection

State: Published
Severity: 5.1 Medium
Published: Oct 19, 2026
Updated: Oct 20, 2026
Reserved: Oct 19, 2026

Description

A security vulnerability has been detected in JumpServer up to 4.10.19. The affected element is an unknown function of the component Template Rendering. The manipulation of the argument IP/HOST leads to os command injection. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used. Upgrading to version 5.0.0 is sufficient to fix this issue. The identifier of the patch is fcf2904cdb884230e9676f50f37a44d09fa97040. The affected component should be upgraded. The vendor confirms: "This issue was identified quite some time ago, and we have already fixed it in the v5 branch. (...) The fix will also be included in an upcoming v4 release.

Scores

CVSS	Score	Vector	Source
4.0	5.1 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P	VulDB
3.1	5.5 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C	VulDB
3.0	5.5 Medium	CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C	VulDB
2.0	6.5 Medium	AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C	VulDB

Weaknesses

CWE-78 OS Command Injection
CWE-77 Command Injection

Affected Products

Product	Versions
JumpServern/a	4.10.0Affected 4.10.1Affected 4.10.2Affected 4.10.3Affected 4.10.4Affected 4.10.5Affected 4.10.6Affected 4.10.7Affected 4.10.8Affected 4.10.9Affected 4.10.10Affected 4.10.11Affected 4.10.12Affected 4.10.13Affected 4.10.14Affected 4.10.15Affected 4.10.16Affected 4.10.17Affected 4.10.18Affected 4.10.19Affected 5.0.0Not affected

References

VDB-422286 | JumpServer Template Rendering os command injectionvdb-entrytechnical-description
VDB-422286 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
CVE-2026-112159 | CVE Analysis and Reportthird-party-advisory
Submit #964676 | JumpServer 4.10.19 OS Command Injectionthird-party-advisory
https://gist.github.com/Seikruun/b628bb6d4403d9c41a54a4b92d775583exploit
https://github.com/jumpserver/jumpserver/pull/17500/issue-trackingpatch
https://github.com/jumpserver/jumpserver/commit/fcf2904cdb884230e9676f50f37a44d09fa97040patch
https://github.com/jumpserver/jumpserver/releases/tag/v5.0.0patch
https://github.com/jumpserver/jumpserver/product

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