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CVE-2026-0767

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Date: January 22, 2026

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.

Severity Score

Related Resources (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-0767
https://www.zerodayinitiative.com/advisories/ZDI-26-033/
https://www.mend.io/vulnerability-database/CVE-2026-0767

Severity Score

Weakness Type (CWE)

Cleartext Transmission of Sensitive Information

CWE-319

CVSS v3.1

Base Score:
Attack Vector (AV): ADJACENT_NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

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