VIR Vulnerability Intelligence Relay

CVE-2026-45315

high
Published 2026-05-15 · Modified 2026-05-19
CVSS v3
8.7
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
CVSS v2
—
VIR risk
8.7

Description

Open WebUI has stored XSS via attacker-controlled file extension in /api/v1/audio/transcriptions

Predictions

Exploit likelihood
91%
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-m8f9-9whg-f4xr

Package impact
EcosystemPackageVulnerableFixed
python PyPIopen-webui<0.9.30.9.3
PIPopen-webui<= 0.9.20.9.3

Application impact
VendorProductVersionsFixed
openwebuiopen_webui{"endExcluding":"0.9.3"}0.9.3

References

CWEs

CWE-79 CWE-434 CWE-646

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