VIR Vulnerability Intelligence Relay

CVE-2026-45387

medium
Published 2026-05-15 · Modified 2026-05-15
CVSS v3
4.3
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS v2
—
VIR risk
4.3

Description

Open WebUI: Sharing models for others to use (read permission) also exposes model details (system prompt leakage)

Predictions

Exploit likelihood
53%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: security-advisories@github.com — https://github.com/open-webui/open-webui/security/advisories/GHSA-h2cw-7qw9-56xr

Package impact
EcosystemPackageVulnerableFixed
python PyPIopen-webui<0.9.50.9.5
PIPopen-webui<= 0.9.40.9.5

Application impact
VendorProductVersionsFixed
openwebuiopen_webui{"endExcluding":"0.9.5"}0.9.5

References

CWEs

CWE-200

Verify integrity in audit chain (admin only). AS-IS.