CVE-2026-44846 JumpServer: Privilege Overwrite via Organization Invite Logic Flaw
An attacker with invite permissions can overwrite organization roles of existing members, leading to privilege escalation or administrator downgrades.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-44846?
CVE-2026-44846 is a medium-severity vulnerability in jumpserver, published on 17 Aug 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
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.
Weakness: CWE-863
Which versions are affected by CVE-2026-44846?
How do I fix CVE-2026-44846?
No fix has been published for CVE-2026-44846 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-44846 being exploited?
There is no known exploitation of CVE-2026-44846 in the wild and no public exploit code.
Sources
Also known as GHSA-j836-99w5-523r.