CVE-2026-59715: Missing Authentication for Critical Function

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.6.16 before 0.10.0, the Socket.IO server is configured with alwaysconnect=True. The ydoc:awareness:update and ydoc:document:leave Socket.IO handlers accepted collaborative-document events without requirin...

CVE-2026-59221: Improper Limitation of a Pathname to a Restricted Directory

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.6 before 0.10.0, sanitizeproxypath in backend/openwebui/routers/terminals.py decoded proxy paths only eight times, allowing a nine-times percent-encoded ../ traversal value to pass normalization checks...

PT-2026-56888

Name of the Vulnerable Software and Affected Versions Open WebUI versions 0.8.12 through 0.9.x Description An authenticated non-admin user with read access to an arena wrapper model can access a restricted underlying model. This occurs because task endpoints, such as...

PT-2026-56884

Name of the Vulnerable Software and Affected Versions Open WebUI versions 0.9.0 through 0.9.x Description When Redis is configured, the authentication process for Socket.IO connect, user-join, join-channels, join-note, and the terminal websocket first-message uses the decode token function withou...

PT-2026-56880

Name of the Vulnerable Software and Affected Versions Open WebUI versions 0.6.27 through 0.9.x Description The get all models handlers in routers/openai.py and routers/ollama.py incorrectly pass a lambda to the aiocache key instead of the key builder. This causes permission-filtered per-user mode...

PT-2026-56988

Name of the Vulnerable Software and Affected Versions Hermes WebUI versions prior to 0.51.307 Description An authentication bypass exists that allows unauthenticated remote attackers to circumvent local-origin IP restrictions on onboarding endpoints. This is achieved by supplying a spoofed...

CVE-2026-59214: Improper Neutralization of Input During Web Page Generation

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. Prior to 0.10.0, Open WebUI runs client-side Python with Pyodide in a same-origin web worker, allowing stored chat payloads that use pyodide.http.pyfetch or the js module fetch and XMLHttpRequest APIs to issue...

CVE-2026-59213: Use of Cache Containing Sensitive Information

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.6.27 before 0.10.0, getallmodels handlers in routers/openai.py and routers/ollama.py passed a lambda to aiocache key instead of keybuilder, causing permission-filtered per-user model lists to share a stat...

CVE-2026-58123: Missing Authentication for Critical Function

Hermes WebUI before 0.51.788 contains an unauthenticated remote code execution vulnerability that allows remote attackers to execute arbitrary shell commands by accessing the embedded terminal API endpoints without credentials. Attackers can create a session, attach a PTY shell, and write arbitra...

aurapro-ui (>=3.1.0, <=3.9.3), aurapro-webui (>=3.9.11, <=3.10.4) +15 more potentially affected by CVE-2026-55830 via restrictedpython (>=8.0.0, <=8.2.0)

restrictedpython PYPI version =8.0.0, =3.1.0, =3.9.11, =0.167.1, =0.0.44a26, =0.12.0, =0.2.1, =0.7.15, =0.5.17, =10.0.9, =0.166.0, =0.167.0 - pycurity 0.0.1 - pytest-canvas 0.1.0 and more Source cves: CVE-2026-55830 Source advisory: SNYK:PYTHON-RESTRICTEDPYTHON-17912186...

CVE-2026-5923 Poly Voice – Potential Unauthorized Modification of WebUI using CSRF Attack

Malicious use of a stolen cookie might allow modifications to the contents of the IP phone’s webpage...

CVE-2026-5923 Poly Voice – Potential Unauthorized Modification of WebUI using CSRF Attack

Malicious use of a stolen cookie might allow modifications to the contents of the IP phone’s webpage...

CVE-2026-5922: Improper Neutralization of Input During Web Page Generation

The IP phone might use malicious input stored in configuration parameters and render it as content for the WebUI’s webpage...

Open WebUI has Blind Server Side Request Forgery in its Image Edit Functionality

Summary There is a blind server side request forgery in the functionality that allows editing an image via a prompt. The affected function will perform a GET request on the URL provided by the user. There is no restriction on the domain of the provided URL allowing the local address space to be...

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 via the loadurlimage function, which performs a GET request on user-supplied URLs without restricting the domain. An attacker can access internal network resources and perform...

EUVD-2026-22188

Open WebUI has Blind Server Side Request Forgery in its Image Edit Functionality...

EUVD-2026-7981

Open WebUI vulnerable to Stored XSS via iFrame embeds in response messages...

Open WebUI vulnerable to Stored XSS via iFrame embeds in response messages

Summary Manually modifying chat history allows setting the embeds property on a response message, the content of which is loaded into an iFrame with a sandbox that has allow-scripts and allow-same-origin set, ignoring the "iframe Sandbox Allow Same Origin" configuration. This enables stored XSS o...

Cross-site Scripting (XSS)

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Cross-site Scripting XSS in the CitationModal process. An attacker can execute arbitrary JavaScript in the context of another user's session by crafting a malicious document payload and manipulating the html...

GHSA-XC8P-9RR6-97R2 Open WebUI vulnerable to Stored XSS via iFrame in citations model

Summary Manually modifying chat history allows setting the html property within document metadata. This causes the frontend to enter a code path that treats document contents as HTML, and render them in an iFrame when the citation is previewed. This allows stored XSS via a weaponised document...