Medium severity6.5GHSA Advisory· Published May 15, 2026· Updated May 18, 2026
CVE-2026-45351
CVE-2026-45351
Description
Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.8.9, when a regular user [non-admin] logs into the application, a http://IP:8080/api/models? web request is initiated by the application and in response, it reveals the system prompt of available models set by admin on models pages in workspace affecting the confidentiality of application. This vulnerability is fixed in 0.8.9.
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-webuiPyPI | < 0.8.9 | 0.8.9 |
Affected products
2<= 0.8.8+ 1 more
- (no CPE)range: <= 0.8.8
- cpe:2.3:a:openwebui:open_webui:*:*:*:*:*:*:*:*range: <0.8.9
Patches
Vulnerability mechanics
References
4- github.com/open-webui/open-webui/security/advisories/GHSA-jh9g-8jqw-m2qxnvdExploitMitigationVendor AdvisoryWEB
- github.com/advisories/GHSA-jh9g-8jqw-m2qxghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-45351ghsaADVISORY
- github.com/open-webui/open-webui/releases/tag/v0.8.9ghsaWEB
News mentions
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