High severity7.3GHSA Advisory· Published May 15, 2026· Updated May 19, 2026
CVE-2026-44721
CVE-2026-44721
Description
Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, a stored cross-site scripting (XSS) vulnerability that allows any authenticated user with model creation permission (workspace.models) to execute arbitrary JavaScript in the browser of any other user (including admins) who views the malicious model in the chat UI. This vulnerability is fixed in 0.9.0.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
open-webuinpm | < 0.9.0 | 0.9.0 |
open-webuiPyPI | < 0.9.0 | 0.9.0 |
Affected products
2<= 0.8.12+ 1 more
- (no CPE)range: <= 0.8.12
- cpe:2.3:a:openwebui:open_webui:*:*:*:*:*:*:*:*range: <0.9.0
Patches
Vulnerability mechanics
References
3- github.com/open-webui/open-webui/security/advisories/GHSA-gf5m-wcrh-7928nvdExploitMitigationVendor AdvisoryWEB
- github.com/advisories/GHSA-gf5m-wcrh-7928ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-44721ghsaADVISORY
News mentions
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