CVE-2026-0767 — MEDIUM (6.5)

Vulnerability 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.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Openwebui	Open Webui	0.6.32

Related Weaknesses (CWE)

CWE-319

References

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

FAQ

What is CVE-2026-0767?

CVE-2026-0767 is a vulnerability with a CVSS score of 6.5 (MEDIUM). Open WebUI Cleartext Transmission of Credentials Information Disclosure Vulnerability. This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations ...

How severe is CVE-2026-0767?

CVE-2026-0767 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-0767?

Check the references section above for vendor advisories and patch information. Affected products include: Openwebui Open Webui.