Open Webui
CVE-2026-0767
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A04:2025 - Cryptographic Failures
ASVS 5.0
V12 - Secure Communication Transport encryption
|
| Impact | CVSS 6.5 (MEDIUM). Attack vector: Adjacent Network. Complexity: Low. Privileges required: None. User interaction: None. Exploitable via remote/network. |
| Exploit ScenarioDerived | A remote attacker could exploit this flaw, further compromise. |
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Alert meAnalysisAIv1 – Mar 12, 2026
Open WebUI transmits authentication credentials in cleartext over the network, enabling adjacent attackers to intercept and obtain sensitive information without authentication. This information disclosure vulnerability can facilitate unauthorized access and further compromise of affected systems. No patch is currently available.
Earlier versions of this analysis (1)
Open Webui versions up to 0.6.32 is affected by cleartext transmission of sensitive information (CVSS 6.5).
RemediationAI
Monitor vendor advisories for a patch.
Affects your stack
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Technical ContextAI · show details
This vulnerability (CWE-319: Cleartext Transmission of Sensitive Information) affects Open Webui. 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 transmit
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Severity by source
AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionCVE.org
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.
Executive ViewAI
CVE-2026-0767 presents notable security risk rated CVSS 6.5. Exploitation could compromise the security of affected deployments. Organizations should apply vendor updates when available and monitor for exploitation.
Apply vendor patch. If patching is delayed: restrict network access and enable monitoring.
Threat Intelligence Overview
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.
Affected Products (CPE)CVE.org
More in Open Webui
View allAn XSS vulnerability exists in open-webui/open-webui versions <= 0.3.8, specifically in the function that constructs the
A Stored Cross-Site Scripting (XSS) vulnerability exists in the chat file upload functionality of open-webui/open-webui
Attacker controlled files can be uploaded to arbitrary locations on the web server's filesystem by abusing a path traver
Stored cross-site scripting in Open WebUI's terminal port preview feature allows an authenticated attacker sharing a ter
In version v0.3.10 of open-webui/open-webui, the `api/v1/utils/pdf` endpoint lacks authentication mechanisms, allowing u
OAuth and SCIM identity confusion in Open WebUI 0.6.41-0.10.x (SQLite-backed deployments only) allows unauthenticated re
DNS rebinding SSRF in Open WebUI versions 0.9.6 through 0.11.0 allows authenticated users who control authoritative DNS
Denial of service in Open WebUI versions 0.9.0-0.11.0 allows unauthenticated remote attackers to stall the application s
In version 0.3.8 of open-webui, an endpoint for converting markdown to HTML is exposed without authentication. Rated hig
Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. [CVSS 7.3 HIGH]
Stored XSS in Open WebUI prior to version 0.7.0 allows authenticated users to inject malicious HTML payloads into chat d
Improper privilege management in Open WebUI 0.10.0 through 0.11.0 allows any authenticated low-privilege user with write
NVD
CVE.org
EPSS
VulDB
GitHub PoC
Exploit-DB