[ CVE-2026-112159 · Published 19 Oct 2026 ]
Vulnerability in JumpServer
[ Why it matters ]Priority signals
- Public proof-of-concept exploit exists (CISA SSVC)
[ Description ]Official 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.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.
[ References ]References
- gist.github.com/Seikruun/b628bb6d4403d9c41a54a4b92d775583
- github.com/jumpserver/jumpserver
- github.com/jumpserver/jumpserver/commit/fcf2904cdb884230e9676f50f37a44d09fa97040
- github.com/jumpserver/jumpserver/pull/17500
- github.com/jumpserver/jumpserver/releases/tag/v5.0.0
- vuldb.com/cve/CVE-2026-112159
- vuldb.com/submit/964676
- vuldb.com/vuln/422286
- vuldb.com/vuln/422286/cti