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

> CVE-2026-4994: wandb OpenUI APIStatusError server.py generic_exception_handler information exposure. CVSS 3.5 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2026-4994
Last updated: 2026-06-17T10:57:33Z

- Published: 2026-03-28 09:15 UTC · Updated: 2026-06-17 10:57 UTC · Assigner: VulDB
- CVSS: 3.5 (CVSS 3.1) · Severity: Low · Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
- EPSS: 0.21%, 11th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-200, CWE-209

## Description

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.

## Affected vendors and products

- wandb: OpenUI

## Tracked companies

- [Weights & Biases](https://rewindex.com/company/weights-biases.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-4994)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-4994)
- [https://gist.github.com/YLChen-007/8c6ff147186855e4b716e7526de213e1](https://gist.github.com/YLChen-007/8c6ff147186855e4b716e7526de213e1)
- [https://vuldb.com/?ctiid.353881](https://vuldb.com/?ctiid.353881)
- [https://vuldb.com/?id.353881](https://vuldb.com/?id.353881)
- [https://vuldb.com/?submit.778266](https://vuldb.com/?submit.778266)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2026-4994 · Markdown: https://rewindex.com/cve/CVE-2026-4994.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-4994 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T03:09:51.508Z