CVE-2026-0767

low-risk

Published 2026-01-23

Open WebUI Cleartext Transmission of Credentials Information Disclosure Vulnerability. This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of Open WebUI. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of credentials provided to the endpoint. The issue results from transmitting sensitive information in plaintext. An attacker can leverage this vulnerability to disclose transmitted credentials, leading to further compromise. Was ZDI-CAN-28259.

Do I need to act?

0.03% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 6.5/10 Medium

ADJACENT_NETWORK / LOW complexity

Affected Products (1)

Open Webui

Affected Vendors

Openwebui

References (1)

Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-26-033/

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low-risk

Severity 21/34 · High

Exploitability 0/34 · Minimal

Exposure 5/34 · Minimal