Missing Authorization

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Missing Authorization through the improper authorization checks in the insertchatfiles process. An attacker can gain unauthorized access to and delete files belonging to other users by attaching arbitrary fil...

Authorization Bypass Through User-Controlled Key

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key via the getimagebase64fromurl function. An attacker can access files belonging to other users by supplying a file identifier in the imageurl.url field that doe...

GHSA-226F-F24G-524W Open WebUI: Redirect-Bypass SSRF in OAuth `_process_picture_url` (incomplete-fix sibling of CVE-2026-45401)

Summary backend/openwebui/utils/oauth.py::processpictureurl v0.9.5, lines 1435-1470 calls validateurlpictureurl on the initial URL only, then invokes aiohttp.ClientSession.getpictureurl, ... without allowredirects=False. aiohttp's default is allowredirects=True, maxredirects=10; the function does...

Server-side Request Forgery (SSRF)

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the processpictureurl function. An attacker can access internal network resources and exfiltrate sensitive data by submitting a crafted OAuth profile image URL that redirec...

GHSA-3VV5-8XXP-4F55 Open WebUI: Cross-origin postMessage confirmation bypass via action:submit

Summary The chat message listener allows non-same-origin input:prompt and action:submit messages, so an external site can set prompt text and trigger submitPrompt in an authenticated victim session. I validated this with a cross-origin attacker page that auto-posted messages and caused unauthoriz...

Origin Validation Error

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Origin Validation Error through the postMessage process. An attacker can execute unauthorized actions and trigger backend API calls under the victim's authenticated session by sending crafted cross-origin...

PT-2026-50486

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.9.6 Description A path traversal issue exists in the cache file serving endpoint '/cache/path:path' that allows authenticated users with the role of user or admin to read files from sibling directories outside th...

PT-2026-50488

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.9.6 Description Open WebUI contains a Broken Object Level Authorization BOLA issue in the builtin search knowledge files function. BOLA occurs when an application does not properly verify if a user has permission...

PT-2026-50482

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.9.6 Description An authenticated user can attach arbitrary file id values to their own chat messages because the system fails to verify if the user owns or has read access to those files. By sharing the chat and...

PT-2026-56895

Name of the Vulnerable Software and Affected Versions Open WebUI versions 0.9.6 through 0.9.9 Description The sanitize proxy path function in backend/open webui/routers/terminals.py fails to properly normalize proxy paths by decoding them only eight times. This allows a nine-times percent-encoded...

CVE-2026-48155 vulnerabilities

Vulnerabilities for packages: open-webui...

CVE-2026-48156 vulnerabilities

Vulnerabilities for packages: open-webui...

GHSA-RGXP-2HWP-JWGG vulnerabilities

Vulnerabilities for packages: open-webui...

CVE-2026-25087 vulnerabilities

Vulnerabilities for packages: open-webui...

CVE-2026-54011

creationtimestamp| type| source ---|---|--- 2026-06-11 18:58:03+00:00| published-proof-of-concept| https://github.com/open-webui/open-webui/security/advisories/GHSA-v8qj-hxv7-mgvv 2026-07-10 11:07:07+00:00| seen| https://bsky.app/profile/cyberhub.blog/post/3mqbyyvqikn23...

CVE-2026-54010

creationtimestamp| type| source ---|---|--- 2026-06-11 18:57:21+00:00| published-proof-of-concept| https://github.com/open-webui/open-webui/security/advisories/GHSA-vrhc-3fr6-pc3c 2026-07-18 17:37:06+00:00| seen| https://bsky.app/profile/cyberhub.blog/post/3mqwsjmkf4t2m...

CVE-2026-54007

creationtimestamp| type| source ---|---|--- 2026-06-11 18:56:24+00:00| published-proof-of-concept| https://github.com/open-webui/open-webui/security/advisories/GHSA-3vv5-8xxp-4f55...

Arbitrary File Write

open-webui/open-webui is vulnerable to an arbitrary file write. The vulnerability is due to improper handling of file paths in the downloadmodel endpoint on Windows, which allows an attacker to manipulate file paths and write files to arbitrary locations on the server...

CVE-2026-34225

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Versions 0.7.2 and below contain a Blind Server Side Request Forgery in the functionality that allows editing an image via a prompt. The affected function performs a GET request to a user-provided U...

CVE-2026-45299

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.8.0, the profileimageurl field on the user profile update form accepted arbitrary data: URI values without MIME-type validation, resulting in a XSS vulnerability. This vulnerability is...