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.
History

Fri, 23 Jan 2026 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 23 Jan 2026 16:45:00 +0000

Type Values Removed Values Added
First Time appeared Open-webui
Open-webui open-webui
Vendors & Products Open-webui
Open-webui open-webui

Fri, 23 Jan 2026 04:00:00 +0000

Type Values Removed Values Added
Description 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.
Title Open WebUI Cleartext Transmission of Credentials Information Disclosure Vulnerability
Weaknesses CWE-319
References
Metrics cvssV3_0

{'score': 5.3, 'vector': 'CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: zdi

Published: 2026-01-23T03:28:39.523Z

Updated: 2026-01-23T16:33:51.687Z

Reserved: 2026-01-08T22:50:10.918Z

Link: CVE-2026-0767

cve-icon Vulnrichment

Updated: 2026-01-23T16:33:47.579Z

cve-icon NVD

Status : Received

Published: 2026-01-23T04:16:03.660

Modified: 2026-01-23T04:16:03.660

Link: CVE-2026-0767

cve-icon Redhat

No data.