CVE-2026-45397

FAUCET Score

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.5, GET /api/v1/retrieval/ returns live RAG pipeline configuration to any unauthenticated HTTP client. No Authorization header, cookie, or API key is required. Every adjacent endpoint on the same router (/embedding, /config) is correctly guarded by get_admin_user making this a targeted omission. This vulnerability is fixed in 0.9.5.

First published: May 15, 2026Last modified: May 15, 2026

Impacted Technologies

Vendor	Product	Version(s)	CPE
		< 0.9.5CPE matchmatch criteria	cpe:2.3:a:openwebui:open_webui::::::::

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

Exploitability Score

3.9

Impact Score

1.4

CvssVersion

3.1

Exploit Intelligence

EPSS Score

0.75%

Probability of exploitation in next 30 days

EPSS Percentile

51.2%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

Nuclei: CVE-2026-45397 · Jun 1, 2026

This CVE's current EPSS score of 0.0075 is in the 32nd percentile among its peer group of 23,725 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

pippatch availablevia ghsa

Product: open-webuiFixed in: 0.9.5

Vendor Advisories (1)

pipGHSA-65pg-qhhw-mxwgmedium

Open WebUI Vulnerable to Unauthenticated RAG Configuration Disclosure

May 14, 2026

References

github.com / open-webui/open-webui/security/advisories/GHSA-65pg-qhhw-mxwg

ExploitMitigationVendor Advisory