CVE-2026-31864

JumpServer is affected by a Server-Side Template Injection (SSTI) in the Applet and VirtualApp upload flow. The manifest.yml is rendered with Jinja2 without sandboxing when processing user-uploaded ZIP packages, allowing template injection. Exploitation requires administrative privileges (Applica...

CVE-2026-31864 JumpServer has a Server-Side Template Injection Leading to RCE via YAML Rendering

JumpServer is an open source bastion host and an operation and maintenance security audit system. a Server-Side Template Injection SSTI vulnerability exists in JumpServer's Applet and VirtualApp upload functionality. This vulnerability can only be exploited by users with administrative privileges...

CVE-2026-31864 JumpServer has a Server-Side Template Injection Leading to RCE via YAML Rendering

JumpServer is an open source bastion host and an operation and maintenance security audit system. a Server-Side Template Injection SSTI vulnerability exists in JumpServer's Applet and VirtualApp upload functionality. This vulnerability can only be exploited by users with administrative privileges...