CVE-2026-112159

medium

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.

References

https://vuldb.com/vuln/422286/cti

https://vuldb.com/vuln/422286

https://vuldb.com/submit/964676

https://vuldb.com/cve/CVE-2026-112159

https://github.com/jumpserver/jumpserver/releases/tag/v5.0.0

https://github.com/jumpserver/jumpserver/pull/17500/

https://github.com/jumpserver/jumpserver/commit/fcf2904cdb884230e9676f50f37a44d09fa97040

https://github.com/jumpserver/jumpserver/

https://gist.github.com/Seikruun/b628bb6d4403d9c41a54a4b92d775583

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-104455

Details

Source: Mitre, NVD

Published: 2026-10-19

Updated: 2026-10-20

Risk Information

CVSS v2

Base Score: 6.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L

Severity: Medium

CVSS v4

Base Score: 5.1

Vector: 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

Severity: Medium

EPSS

EPSS: 0.00864