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SCA: security update for open-webui (GHSA-rh5x-h6pp-cjj6)

high Tenable Self-Hosted Container Security Plugin ID 442453

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior
 to 0.9.5, the validate_url() function in backend/open_webui/retrieval/web/utils.py only validates the
 initial URL submitted by the caller. The HTTP clients used downstream (sync requests, async aiohttp,
 langchain's WebBaseLoader) follow HTTP 3xx redirects by default and do not re-validate the redirect target
 against the private-IP / metadata-IP block list. Any authenticated user can therefore submit a public URL
 that 302-redirects to an internal address (e.g. 127.0.0.1, 169.254.169.254, RFC1918) and read the internal
 response body via the /api/v1/retrieval/process/web endpoint, the /api/v1/images/... endpoints, the
 /api/chat/completions endpoint with an image_url content part, and any other route that calls these
 helpers. This vulnerability is fixed in 0.9.5. (CVE-2026-45401)

Solution

Update the open-webui library and its related packages to version 0.9.5 or later.

See Also

https://github.com/advisories/GHSA-rh5x-h6pp-cjj6

Plugin Details

Severity: High

ID: 442453

Version: Revision 1.2

Type: Local

Family: SCA Checks

Published: 5/29/2026

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3.9

Percentile: 52.78

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:P/A:N

CVSS Score Source: CVE-2026-45401

CVSS v3

Risk Factor: High

Base Score: 8.5

Temporal Score: 7.6

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/14/2026

Vulnerability Publication Date: 5/14/2026

Reference Information

CVE: CVE-2026-45401

cwe: CWE-918