CVE-2026-0767 MEDIUM

CVE-2026-0767: Open WebUI Cleartext Transmission of Credentials Information Disclosure Vulnerability

Vendor Open Webui
Product Open WebUI
Weakness CWE-319 · Cleartext transmission
Published January 23, 2026
Last update January 23, 2026

CVSS base score

5.3/10
Attack vector Adjacent
Attack complexity High
Privileges required None
User interaction None
Confidentiality High
Integrity None

CVSS vector

CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

January 23, 2026 CVE published
January 23, 2026 Record updated