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.
Advisories

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Fixes

Solution

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Workaround

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History

Fri, 23 Jan 2026 13:00:00 +0900

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'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: zdi

Published:

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

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

Link: CVE-2026-0767

cve-icon Vulnrichment

No data.

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.

cve-icon OpenCVE Enrichment

No data.

Weaknesses