CVE-2026-4994 MEDIUM

CVE-2026-4994: wandb OpenUI APIStatusError server.py generic_exception_handler information exposure

Vendor Wandb
Product OpenUI
Weakness CWE-209 · Error message info leak
Published March 28, 2026
Last update March 30, 2026

CVSS base score

5.1/10
Attack vector Adjacent
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

March 28, 2026 CVE published
March 30, 2026 Record updated