Medium severity4.3GHSA Advisory· Published May 15, 2026· Updated May 19, 2026
CVE-2026-45387
CVE-2026-45387
Description
Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.5, when setting model permissions so that a group has read access to it, intending for other users to use it, those users also can read the model's system prompt. However users may consider their system prompt confidential, so this is considered a security issue. This vulnerability is fixed in 0.9.5.
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 | < 0.9.5 | 0.9.5 |
Affected products
2<= 0.9.4+ 1 more
- (no CPE)range: <= 0.9.4
- cpe:2.3:a:openwebui:open_webui:*:*:*:*:*:*:*:*range: <0.9.5
Patches
Vulnerability mechanics
References
4- github.com/open-webui/open-webui/security/advisories/GHSA-h2cw-7qw9-56xrnvdExploitVendor AdvisoryWEB
- github.com/advisories/GHSA-h2cw-7qw9-56xrghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-45387ghsaADVISORY
- github.com/open-webui/open-webui/releases/tag/v0.9.5ghsaWEB
News mentions
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