CVE-2026-0765
HIGHCVSS Vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
2Description
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.
Analysis
Remote code execution in Open WebUI's install_frontmatter_requirements function allows authenticated attackers to execute arbitrary commands on the host system by bypassing input validation in system call parameters. The vulnerability affects AI/ML deployments using Open WebUI and requires valid authentication credentials to exploit. …
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Remediation
Within 24 hours: Inventory all Open WebUI deployments and assess exposure to untrusted networks; implement network segmentation to restrict access. Within 7 days: Apply available security updates, review access logs for suspicious activity, and consider disabling the install_frontmatter_requirements feature if operationally feasible. …
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