Vulnerability in Wandb Openui
CVE-2026-4993
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.001 (3.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 3.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000
Affected products
- Wandb Openui — versions 0.0.0, 1.0
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, vdb-entry)
- vuldb.com/ (signature, permissions-required)
- vuldb.com/ (third-party-advisory)
- gist.github.com/YLChen-007/3bf37486022d4c57caec3a35cd79ac92 (exploit)
Frequently asked questions
- What is CVE-2026-4993?
- CVE-2026-4993 is a low-severity vulnerability in Wandb Openui, classified under Use of Hard-coded Password. CVSS score: 3.3/10. Published 2026-03-28.
- How severe is CVE-2026-4993?
- Low severity. CVSS v3 base score is 3.3 out of 10.