CVE-2026-112159

MEDIUM 5.5

JumpServer Template Rendering os command injection

CVSS Score

5.5

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-78 CWE-77
Vendor	n/a
Product	jumpserver
Published	Oct 19, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

n/a / JumpServer

4.10.0 4.10.1 4.10.2 4.10.3 4.10.4 4.10.5 4.10.6 4.10.7 4.10.8 4.10.9 4.10.10 4.10.11 4.10.12 4.10.13 4.10.14 4.10.15 4.10.16 4.10.17 4.10.18 4.10.19

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/422286 vuldb.com: https://vuldb.com/vuln/422286/cti vuldb.com: https://vuldb.com/cve/CVE-2026-112159 vuldb.com: https://vuldb.com/submit/964676 gist.github.com: https://gist.github.com/Seikruun/b628bb6d4403d9c41a54a4b92d775583 github.com: https://github.com/jumpserver/jumpserver/pull/17500/ github.com: https://github.com/jumpserver/jumpserver/commit/fcf2904cdb884230e9676f50f37a44d09fa97040 github.com: https://github.com/jumpserver/jumpserver/releases/tag/v5.0.0 github.com: https://github.com/jumpserver/jumpserver/

Credits

🔍 seikruun (VulDB User) VulDB CNA Team