RCE in Open Webui

CVE-2026-0766

Open WebUI load_tool_module_by_id 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 th…

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.272 (97.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2026-0766?
CVE-2026-0766 is a high-severity vulnerability in Open Webui, classified under Code Injection. CVSS score: 8.8/10. Published 2026-01-23.
How severe is CVE-2026-0766?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2026-0766 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.