Vendor
jumpserver
27 known vulnerabilities.
Products
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Medium 6.0
JumpServer: Ansible Automation Template Rendering Allows Unsafe Lookup Plugin Invocation
JumpServer is an open source bastion host and an operation and maintenance security audit system. Prior to 4.10.17-lts, JumpServer's Ansible-based automation rendering can evaluate attacker-controlled template expressions from users who have permission to cre…
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Medium 6.2
JumpServer: Privilege Overwrite via Organization Invite Logic Flaw
JumpServer is an open source bastion host and an operation and maintenance security audit system. Prior to 4.10.17, a user with the users.invite_user permission can submit an existing member to POST /api/v1/users/users/invite/, causing the organization invita…
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Medium 6.7
JumpServer: Remote Command Execution (RCE) via Jinja Template Injection in Applet Host Deployment
JumpServer is an open source bastion host and an operation and maintenance security audit system. Prior to 4.10.17, an authenticated administrator with Applet Host management and deployment permissions can inject Jinja2 expressions into the IP/Host field or C…
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Medium 5.4
JumpServer: KoKo Web Terminal SFTP Path Traversal on Authorized Asset
JumpServer is an open source bastion host and an operation and maintenance security audit system. From 4.8.0 until 4.10.17, an authenticated user with SFTP permission to an authorized asset can submit crafted traversal paths through the KoKo Web Terminal SFTP…
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Medium 6.8CVE-2026-31864 Public exploit
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…
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Medium 5.0
JumpServer Improper Certificate Validation in Custom SMS API Client
JumpServer is an open source bastion host and an operation and maintenance security audit system. Prior to v4.10.16-lts, JumpServer improperly validates certificates in the Custom SMS API Client. When JumpServer sends MFA/OTP codes via Custom SMS API, an atta…
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Medium 5.5
JumpServer has an Open Redirect Vulnerability
JumpServer is an open source bastion host and an operation and maintenance security audit system. Prior to v3.10.19 and v4.10.5, The /core/i18n// endpoint uses the Referer header as the redirection target without proper validation, which could lead to an Open…
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Medium 4.3
JumpServer has a Kubernetes Token Leak Vulnerability
JumpServer is an open source bastion host and an operation and maintenance security audit system. Prior to 4.8.0 and 3.10.18, an attacker with a low-privileged account can access the Kubernetes session feature and manipulate the kubeconfig file to redirect AP…
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Medium 4.6
JumpServer allows nn authorized attacker to get sensitive information in playbook files when playbook_id is leaked
JumpServer is an open source bastion host and an operation and maintenance security audit system. An authorized attacker can obtain sensitive information contained within playbook files if they manage to learn the playbook_id of another user. This breach of c…
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Medium 4.6
JumpServer Direct Object Reference (IDOR) Vulnerability in File Manager Bulk Transfer Functionality
JumpServer is an open source bastion host and an operation and maintenance security audit system. An authenticated user can exploit the Insecure Direct Object Reference (IDOR) vulnerability in the file manager's bulk transfer by manipulating job IDs to upload…
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Medium 4.3
JumpServer Open Redirect Vulnerability
JumpServer is an open source bastion host and an operation and maintenance security audit system. Prior to version 3.10.0, attackers can exploit this vulnerability to construct malicious links, leading users to click on them, thereby facilitating phishing att…
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Medium 5.3
jumpserver is vulnerable to password brute-force protection bypass via arbitrary IP values
jumpserver is an open source bastion machine, professional operation and maintenance security audit system that complies with 4A specifications. A flaw in the Core API allows attackers to bypass password brute-force protections by spoofing arbitrary IP addres…
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Medium 5.4
SSH public key login without private key challenge if mfa is enabled in jumpserver
JumpServer is an open source bastion host. When users enable MFA and use a public key for authentication, the Koko SSH server does not verify the corresponding SSH private key. An attacker could exploit a vulnerability by utilizing a disclosed public key to a…
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Medium 5.7
JumpServer Koko vulnerable to Command Injection for Kubernetes Connection
Jumpserver is a popular open source bastion host, and Koko is a Jumpserver component that is the Go version of coco, refactoring coco's SSH/SFTP service and Web Terminal service. Prior to version 2.28.8, using illegal tokens to connect to a Kubernetes cluster…