CVE-2026-4993 wandb OpenUI config.py hard-coded credentials

Medium 4.8 Published Updated

Hard-coded credentials in wandb OpenUI allow local attackers to bypass security controls and access sensitive data.

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-2026-4993?

CVE-2026-4993 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 has been found in wandb OpenUI up to 0.0.0.0/1.0. This impacts an unknown function of the file backend/openui/config.py. The manipulation of the argument LITELLM_MASTER_KEY leads to hard-coded credentials. An attack has to be approached locally. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-798, CWE-259

Which versions are affected by CVE-2026-4993?

How do I fix CVE-2026-4993?

No fix has been published for CVE-2026-4993 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-4993 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-4993 exists.

Sources

Also known as GHSA-vf7r-qhhp-78wc.

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