CVE-2026-87994: Authorization Bypass Through User-Controlled Key

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.5 until 0.11.1, the channel branch of chatcompletion in backend/openwebui/main.py checked channel write access and channel membership for a supplied messageid but did not verify that the calling user...

CVE-2026-87584: Incorrect Authorization

Incorrect authorization in WebUI in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to bypass system access restrictions into a privileged page via a crafted HTML page. Chromium security severity: Medium...

Linux Distros Unpatched Vulnerability : CVE-2026-87584

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Incorrect authorization in WebUI in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to bypass system access restrictions into a privileged page v...

PT-2026-89177

Summary Chat histories are stored as an unvalidated JSON object. After a message is deleted, the code that picks the chat's new current message walked down the childrenIds links without recording where it had already been. Any account with the default user role could store a chat whose messages...

CVE-2026-88000: Loop with Unreachable Exit Condition

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.10.0 until 0.11.1, DELETE /api/v1/chats/id/messages/messageid used the chat-history deletion helper in backend/openwebui/models/chats.py to follow childrenIds without recording visited message identifiers...

CVE-2026-87996: Time-of-check Time-of-use (TOCTOU) Race Condition

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.6 until 0.11.1, SafePlaywrightURLLoader in backend/openwebui/retrieval/web/utils.py validated a user-controlled hostname in Python and then let the Playwright browser resolve it again in the sync and...

PT-2026-89174

Name of the Vulnerable Software and Affected Versions Open WebUI versions 0.10.0 through 0.11.0 Description An issue exists in the chat-completions handler within backend/open webui/main.py where the system fails to verify if a user has write access to a specified folder when creating a new chat...

Linux Distros Unpatched Vulnerability : CVE-2026-87506

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Privilege elevation in WebUI in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to potentially execute...

CVE-2026-87014: Insufficient Session Expiration

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.0 until 0.11.1, role synchronization in backend/openwebui/routers/auths.py and backend/openwebui/utils/oauth.py updated an administrator's database role without invalidating the user record cached by...

CVE-2026-9856 vulnerabilities

Vulnerabilities for packages: open-webui...

GHSA-XRQW-3RRV-VX5W vulnerabilities

Vulnerabilities for packages: open-webui...

CVE-2026-71428 vulnerabilities

Vulnerabilities for packages: open-webui...

GHSA-4MVJ-M6J5-PMF7 vulnerabilities

Vulnerabilities for packages: open-webui...

PT-2026-88606

Name of the Vulnerable Software and Affected Versions Google Chrome versions prior to 153.0.8010.36 Description A privilege elevation issue exists in the WebUI. A remote attacker who has already compromised the renderer process can potentially execute arbitrary code outside the sandbox by using a...

PT-2026-88598

Name of the Vulnerable Software and Affected Versions Google Chrome versions prior to 153.0.8010.36 Description Missing authorization in the WebUI allows a remote attacker who has compromised the renderer process to bypass the web origin policy using a crafted HTML page. The web origin policy is ...

PT-2026-88684

Name of the Vulnerable Software and Affected Versions Google Chrome versions prior to 153.0.8010.36 Description Incorrect authorization in the WebUI allows a remote attacker to bypass system access restrictions to reach a privileged page by using a crafted HTML page. Recommendations Update Google...

CVE-2026-85701

A vulnerability has been found in ramon-victor freegpt-webui up to 098db3dfeb41555c2ca9269df0f13e10ec1c35dc. This issue affects the function ChatCompletion.create of the file g4f/init.py of the component Authentication Check. Such manipulation leads to missing authentication. The attack may be...

CVE-2026-85702

A security vulnerability has been detected in ramon-victor freegpt-webui up to 098db3dfeb41555c2ca9269df0f13e10ec1c35dc. Affected is the function conversation of the file server/backend.py of the component Backend Conversation API. Such manipulation of the argument model leads to missing...

CVE-2026-85704

A security flaw has been discovered in ramon-victor freegpt-webui up to 098db3dfeb41555c2ca9269df0f13e10ec1c35dc. This issue affects the function getJailbreak of the file server/config.py of the component Jailbreak Mode. The manipulation results in race condition. It is possible to launch the...

CVE-2026-85703

A flaw has been found in ramon-victor freegpt-webui up to 098db3dfeb41555c2ca9269df0f13e10ec1c35dc. Affected by this issue is the function getJailbreak of the file server/backend.py of the component Jailbreak Mode. Executing a manipulation can lead to allocation of resources. The attack can be...