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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.

PUBLISHED Reserved 2026-03-27 | Published 2026-03-28 | Updated 2026-03-30 | Assigner VulDB




MEDIUM: 5.1CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
LOW: 3.5CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
LOW: 3.5CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
2.7AV:A/AC:L/Au:S/C:P/I:N/A:N/E:POC/RL:ND/RC:UR

Problem types

Information Exposure Through Error Message

Information Disclosure

Product status

1.0
affected

3.5-turb
affected

Timeline

2026-03-27:Advisory disclosed
2026-03-27:VulDB entry created
2026-03-27:VulDB entry last update

Credits

Eric-b (VulDB User) reporter

VulDB coordinator

References

vuldb.com/?id.353881 (VDB-353881 | wandb OpenUI APIStatusError server.py generic_exception_handler information exposure) vdb-entry technical-description

vuldb.com/?ctiid.353881 (VDB-353881 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/?submit.778266 (Submit #778266 | Weights and Biases OpenUI <= 1.0 (commit f9d8f0e) Generation of Error Message Containing Sensitive Information (CWE-209)) third-party-advisory

gist.github.com/YLChen-007/8c6ff147186855e4b716e7526de213e1 exploit

cve.org (CVE-2026-4994)

nvd.nist.gov (CVE-2026-4994)

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