GHSA-3CG5-48J3-V4GV Open WebUI: A folder write-collaborator can permanently delete the owner's chats by deleting a shared subfolder

Summary A user granted write access to a shared chat folder could permanently delete chats and messages belonging to the folder's owner. Deleting a folder cascades into the owner's chats and the entire subfolder subtree, and the deletion handler required only write access on subfolders instead of...

Incorrect Authorization

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Incorrect Authorization through the DELETE /api/v1/folders/id process. An attacker can permanently delete another user's chat history and subfolders by exploiting inherited write permissions on shared...

CVE-2026-70494

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.10.0 until 0.11.0, the DELETE /api/v1/folders/id handler in backend/openwebui/routers/folders.py allowed a user granted write access to a shared chat folder to permanently delete chats and messages...

CVE-2026-70494 Open WebUI: A folder write-collaborator can permanently delete the owner's chats by deleting a shared subfolder

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.10.0 until 0.11.0, the DELETE /api/v1/folders/id handler in backend/openwebui/routers/folders.py allowed a user granted write access to a shared chat folder to permanently delete chats and messages...

CVE-2026-70494 Open WebUI: A folder write-collaborator can permanently delete the owner's chats by deleting a shared subfolder

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.10.0 until 0.11.0, the DELETE /api/v1/folders/id handler in backend/openwebui/routers/folders.py allowed a user granted write access to a shared chat folder to permanently delete chats and messages...

Open WebUI: Deletion of directories and file embeddings in other knowledge bases via sync cleanup

Summary A user with write access to one knowledge base could delete directories, and drop file embeddings, belonging to knowledge bases they do not control. The sync cleanup endpoint verified write access on the knowledge base named in the URL and then acted on the directory and file ids supplied...

GHSA-JXC9-XMC4-GR23 Open WebUI: Deletion of directories and file embeddings in other knowledge bases via sync cleanup

Summary A user with write access to one knowledge base could delete directories, and drop file embeddings, belonging to knowledge bases they do not control. The sync cleanup endpoint verified write access on the knowledge base named in the URL and then acted on the directory and file ids supplied...

CVE-2026-70488 Open WebUI: Deletion of directories and file embeddings in other knowledge bases via sync cleanup

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.6 until 0.11.0, the sync cleanup endpoint authorized write access to the knowledge base in the URL but then acted on directory and file ids supplied in the request body without checking that those objec...

EUVD-2026-52899

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.6 until 0.11.0, the sync cleanup endpoint authorized write access to the knowledge base in the URL but then acted on directory and file ids supplied in the request body without checking that those objec...

CVE-2026-70488 Open WebUI: Deletion of directories and file embeddings in other knowledge bases via sync cleanup

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.6 until 0.11.0, the sync cleanup endpoint authorized write access to the knowledge base in the URL but then acted on directory and file ids supplied in the request body without checking that those objec...

CVE-2026-70488 Open WebUI: Deletion of directories and file embeddings in other knowledge bases via sync cleanup

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.6 until 0.11.0, the sync cleanup endpoint authorized write access to the knowledge base in the URL but then acted on directory and file ids supplied in the request body without checking that those objec...

CVE-2026-70483 Open WebUI: Any authenticated user can cancel another user's chat generation via the chat delete endpoint

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.6 until 0.11.0, DELETE /api/v1/chats/id cancelled a chat's in-flight tasks before checking whether the caller could delete that chat. Any authenticated user who knew another user's chat id could abort...

Missing Authorization

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Missing Authorization in the updatemessagebyid and deletemessagebyid handlers when processing standard channels due to insufficient authorization checks. An attacker can modify or delete messages authored by...

Open WebUI: Any member with write access to a standard channel can edit or delete other members' messages

Summary On standard channels, the message update and delete handlers accepted any caller holding write access on the channel, without checking that the caller wrote the message. Write access is the same grant a member needs in order to post, so every ordinary participant in a shared channel could...

CVE-2026-69704

Atals-Livre contains a SQL injection vulnerability that allows attackers to manipulate database queries by passing unsanitized input through a GET parameter to the supp deletion helper function. Attackers can inject malicious SQL syntax via the vulnerable GET parameter to perform unauthorized...

EUVD-2026-52868

Atals-Livre contains a SQL injection vulnerability that allows attackers to manipulate database queries by passing unsanitized input through a GET parameter to the supp deletion helper function. Attackers can inject malicious SQL syntax via the vulnerable GET parameter to perform unauthorized...

CVE-2026-69704 Atals-Livre SQL Injection via Unsanitized GET Parameter in supp()

Atals-Livre contains a SQL injection vulnerability that allows attackers to manipulate database queries by passing unsanitized input through a GET parameter to the supp deletion helper function. Attackers can inject malicious SQL syntax via the vulnerable GET parameter to perform unauthorized...

CVE-2026-69704

Atals-Livre contains a SQL injection vulnerability that allows attackers to manipulate database queries by passing unsanitized input through a GET parameter to the supp deletion helper function. Attackers can inject malicious SQL syntax via the vulnerable GET parameter to perform unauthorized...

CVE-2026-69704 Atals-Livre SQL Injection via Unsanitized GET Parameter in supp()

Atals-Livre contains a SQL injection vulnerability that allows attackers to manipulate database queries by passing unsanitized input through a GET parameter to the supp deletion helper function. Attackers can inject malicious SQL syntax via the vulnerable GET parameter to perform unauthorized...

CVE-2026-69262

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.3, DELETE /api/v1/chatflows/:id authorized requests with checkAnyPermission'chatflows:delete,agentflows:delete', so possession of either permission was sufficient to reach the delete path. The...