CVE-2026-88817 Privilege escalation via legacy access group creation endpoint
Authenticated users can escalate privileges to administrator within specific access groups via a legacy endpoint, requiring attention from Curiosity Workspace administrators.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-88817?
CVE-2026-88817 is a high-severity vulnerability in Curiosity Workspace, published on 16 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
An authenticated, non-guest user of Curiosity Workspace could enroll themselves as an administrator and member of an existing access group without an invitation or approval.
It did not grant application-wide administrator privileges, and the vulnerability could not be used to obtain root access to the application or its underlying host.
Which versions are affected by CVE-2026-88817?
How do I fix CVE-2026-88817?
No fix has been published for CVE-2026-88817 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-88817 being exploited?
There is no known exploitation of CVE-2026-88817 in the wild and no public exploit code.
Sources
Also known as GHSA-3w65-9g38-h8jv.