RCE in Wandb Openui
CVE-2026-4995
A vulnerability was determined in wandb OpenUI up to 1.0. Affected by this vulnerability is an unknown functionality of the file frontend/public/annotator/index.html of the component Window Message Event Handler. This manipulation causes c…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.000 (12.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N.
Affected products
- Wandb Openui — versions 1.0
Weakness classification (CWE)
References
- VDB-353882 | wandb OpenUI Window Message Event index.html cross site scripting (vdb-entry)
- VDB-353882 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, permissions-required)
- Submit #778267 | Weights and Biases OpenUI <= 1.0 (commit f9d8f0e) Cross-Site Scripting (CWE-79) (third-party-advisory)
- cna@vuldb.com (exploit)
Frequently asked questions
- What is CVE-2026-4995?
- CVE-2026-4995 is a low-severity vulnerability in Wandb Openui, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2026-03-28.
- How severe is CVE-2026-4995?
- Low severity. CVSS v3 base score is 3.5 out of 10.