CVE-2026-4994 wandb OpenUI APIStatusError server.py generic_exception_handler information exposure
Attackers on the local network can trigger error messages in wandb OpenUI to expose sensitive information via the APIStatusError handler.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-4994?
CVE-2026-4994 is a medium-severity vulnerability in wandb OpenUI, published on 28 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability was found in wandb OpenUI up to 1.0/3.5-turb. Affected is the function generic_exception_handler of the file backend/openui/server.py of the component APIStatusError Handler. The manipulation of the argument key results in information exposure through error message. Access to the local network is required for this attack. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2026-4994?
How do I fix CVE-2026-4994?
No fix has been published for CVE-2026-4994 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-4994 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-4994 exists.
Sources
Also known as GHSA-g7rm-9pjx-q3vg.