Open WebUI PIP install_frontmatter_requirements Command Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Open WebUI. Authentication is required to exploit this vulnerability.

The specific flaw exists within the install_frontmatter_requirements function.The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-28258.
Advisories

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Fixes

Solution

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Workaround

No workaround given by the vendor.

History

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

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, '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 PIP install_frontmatter_requirements Command Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Open WebUI. Authentication is required to exploit this vulnerability. The specific flaw exists within the install_frontmatter_requirements function.The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-28258.
Title Open WebUI PIP install_frontmatter_requirements Command Injection Remote Code Execution Vulnerability
Weaknesses CWE-78
References
Metrics cvssV3_0

{'score': 8.8, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: zdi

Published:

Updated: 2026-01-23T16:34:48.203Z

Reserved: 2026-01-08T22:50:03.282Z

Link: CVE-2026-0765

cve-icon Vulnrichment

Updated: 2026-01-23T16:34:44.344Z

cve-icon NVD

Status : Received

Published: 2026-01-23T04:16:03.390

Modified: 2026-01-23T04:16:03.390

Link: CVE-2026-0765

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-01-23T10:26:35Z

Weaknesses