CVE-2026-45387

medium

Published 2026-05-15 · Modified 2026-05-15

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

4.3

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

CVSS v4 NEW

—

not yet in upstream

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

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	`<0.9.5`	`0.9.5`
PIP	open-webui	`<= 0.9.4`	`0.9.5`

Application impact

Vendor	Product	Versions	Fixed
openwebui	open_webui	`{"endExcluding":"0.9.5"}`	`0.9.5`

References

CWEs

CWE-200

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

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