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Affected Vendors & Products
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Solution
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Workaround
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Fri, 13 Mar 2026 20:15:00 +0000
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ssvc
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Fri, 13 Mar 2026 19:45:00 +0000
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| Description | 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 (Application Applet Management or Virtual Application Management permissions). Attackers can exploit this vulnerability to execute arbitrary code within the JumpServer Core container. The vulnerability arises from unsafe use of Jinja2 template rendering when processing user-uploaded YAML configuration files. When a user uploads an Applet or VirtualApp ZIP package, the manifest.yml file is rendered through Jinja2 without sandbox restrictions, allowing template injection attacks. | |
| Title | JumpServer has a Server-Side Template Injection Leading to RCE via YAML Rendering | |
| Weaknesses | CWE-1336 | |
| References |
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| Metrics |
cvssV3_1
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Projects
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-03-13T19:44:51.850Z
Reserved: 2026-03-09T19:02:25.013Z
Link: CVE-2026-31864
Updated: 2026-03-13T19:44:48.625Z
Status : Received
Published: 2026-03-13T19:54:36.803
Modified: 2026-03-13T19:54:36.803
Link: CVE-2026-31864
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OpenCVE Enrichment
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