CVE-2026-45315

high

Published 2026-05-15 · Modified 2026-06-02

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

8.7

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

CVSS v4 NEW

—

not yet in upstream

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

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Package impact

Ecosystem	Package	Vulnerable	Fixed
PyPI	open-webui	`<0.9.3`	`0.9.3`
PIP	open-webui	`<= 0.9.2`	`0.9.3`

Application impact

Vendor	Product	Versions	Fixed
openwebui	open_webui	`{"endExcluding":"0.9.3"}`	`0.9.3`

References

CWEs

CWE-79 CWE-434 CWE-646

Community-verified mitigations for this CVE will appear above when contributors publish them.

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