Information disclosure in Wandb Openui
CVE-2026-4994
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…
Vulnerability class: Information Disclosure
EPSS: 0.000 (8.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Wandb Openui — versions 1.0, 3.5-turb
Weakness classification (CWE)
References
- VDB-353881 | wandb OpenUI APIStatusError server.py generic_exception_handler information exposure (technical-description, vdb-entry)
- VDB-353881 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, permissions-required)
- Submit #778266 | Weights and Biases OpenUI <= 1.0 (commit f9d8f0e) Generation of Error Message Containing Sensitive Information (CWE-209) (third-party-advisory)
- cna@vuldb.com (exploit)
Frequently asked questions
- What is CVE-2026-4994?
- CVE-2026-4994 is a low-severity vulnerability in Wandb Openui, classified under Information Disclosure. CVSS score: 3.5/10. Published 2026-03-28.
- How severe is CVE-2026-4994?
- Low severity. CVSS v3 base score is 3.5 out of 10.