RCE in Wandb Openui
CVE-2026-4992
A flaw has been found in wandb OpenUI up to 1.0. This affects the function create_share/get_share of the file backend/openui/server.py of the component HTMLAnnotator Component. Executing a manipulation of the argument ID can lead to HTML i…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.000 (2.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.
Affected products
- Wandb Openui — versions 1.0
Weakness classification (CWE)
References
- VDB-353879 | wandb OpenUI HTMLAnnotator server.py get_share HTML injection (technical-description, vdb-entry)
- VDB-353879 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, permissions-required)
- Submit #778264 | 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-2026-4992?
- CVE-2026-4992 is a medium-severity vulnerability in Wandb Openui, classified under Cross-site Scripting. CVSS score: 4.3/10. Published 2026-03-27.
- How severe is CVE-2026-4992?
- Medium severity. CVSS v3 base score is 4.3 out of 10.