ByteOS Network

NVD Vulnerability Details :

CVE-2026-45331

Received

Source-security-advisories@github.com

Published At-15 May, 2026 | 20:16

Updated At-15 May, 2026 | 23:16

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, validate_url() in backend/open_webui/retrieval/web/utils.py calls validators.ipv6(ip, private=True), but the validators library does NOT implement the private keyword for IPv6 — the call raises a ValidationError (which is falsy in a boolean context), so every IPv6 address passes the filter. In addition, IPv4-mapped IPv6 (::ffff:10.0.0.1) bypasses the IPv4 check entirely, and several reserved IPv4 ranges (0.0.0.0/8, 100.64.0.0/10, 192.0.0.0/24, etc.) are not blocked. This vulnerability is fixed in 0.9.0.

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Secondary	3.1	8.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N

Type: Secondary

Version: 3.1

Base score: 8.5

Base severity: HIGH

Vector:

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

Weaknesses

CWE ID	Type	Source
CWE-918	Secondary	security-advisories@github.com

CWE ID: CWE-918

Type: Secondary

Source: security-advisories@github.com

References

Hyperlink	Source	Resource
https://github.com/open-webui/open-webui/security/advisories/GHSA-4v7r-f4w8-8972	security-advisories@github.com	N/A
https://github.com/open-webui/open-webui/security/advisories/GHSA-4v7r-f4w8-8972	134c704f-9b21-4f2e-91b3-4a467353bcc0	N/A

Hyperlink: https://github.com/open-webui/open-webui/security/advisories/GHSA-4v7r-f4w8-8972

Source: security-advisories@github.com

Resource: N/A

Hyperlink: https://github.com/open-webui/open-webui/security/advisories/GHSA-4v7r-f4w8-8972

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

Resource: N/A

CISA Catalog

Metrics

CPE Matches

Weaknesses

Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References

Change History