JumpServer up to 4.10.16 Organization Invitation Logic apps/users/api/user.py privileges management

Summaryinfo

A vulnerability, which was classified as very critical, has been found in JumpServer up to 4.10.16. This impacts an unknown function of the file apps/users/api/user.py of the component Organization Invitation Logic. Performing a manipulation results in privileges management. This vulnerability is known as CVE-2026-44846. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability classified as very critical has been found in JumpServer up to 4.10.16. This affects an unknown functionality of the file apps/users/api/user.py of the component Organization Invitation Logic. The manipulation with an unknown input leads to a privileges management vulnerability. CWE is classifying the issue as CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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 invitation logic in apps/users/api/user.py to execute user.org_roles.set(org_roles) and replace the member's existing organization roles, which can escalate privileges or downgrade administrators. This issue is fixed in version 4.10.17.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-44846 since 05/07/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. The exploitation requires an enhanced level of successful authentication. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/17/2026). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

Upgrading to version 4.10.17 eliminates this vulnerability.

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Productinfo

Name

• JumpServer

Version

• 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

Website

• Product: https://github.com/jumpserver/jumpserver/

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