CVE-2026-70483

CVE-2026-70483 (Open WebUI) affects Open WebUI versions 0.9.6 through 0.11.0. The DELETE /api/v1/chats/{id} endpoint could cancel a chat’s in-flight tasks (model response, title generation, or tag generation) without verifying the caller’s permission, enabling any authenticated user who knows ano...

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...

GHSA-MJ5R-JF49-M3W7 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-2026-70481 Open WebUI: Any member with write access to a standard channel can edit or delete other members' messages

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.5.0 until 0.11.0, the standard channel message update and delete handlers accepted any caller holding write access on the channel without checking that the caller wrote the message. Because write access i...

CVE-2026-70481

CVE-2026-70481 affects Open WebUI prior to 0.11.0. In standard channels, the update and delete message handlers allowed any user with write access to a channel to rewrite or permanently delete other users’ messages, because the standard branch checked only write permission, not message authorship...

CVE-2026-70481 Open WebUI: Any member with write access to a standard channel can edit or delete other members' messages

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.5.0 until 0.11.0, the standard channel message update and delete handlers accepted any caller holding write access on the channel without checking that the caller wrote the message. Because write access i...

CVE-2026-18790

A weakness has been identified in Systerel S2OPC up to 1.7.3. This affects the function LockedStaMacProcessMsgDeleteMonitoredItemsResponse of the file src/ClientServer/frontend/clientwrapper/internal/statemachine.c of the component DeleteMonitoredItemsRequest Handler. This manipulation causes...

CVE-2026-18790

Systerel S2OPC up to 1.7.3 contains a vulnerability in LockedStaMac_ProcessMsg_DeleteMonitoredItemsResponse (src/ClientServer/frontend/client_wrapper/internal/state_machine.c, DeleteMonitoredItemsRequest Handler). The flaw enables an out-of-bounds read and can be exploited locally. Public exploit...

CVE-2026-18790 Systerel S2OPC DeleteMonitoredItemsRequest state_machine.c out-of-bounds

A weakness has been identified in Systerel S2OPC up to 1.7.3. This affects the function LockedStaMacProcessMsgDeleteMonitoredItemsResponse of the file src/ClientServer/frontend/clientwrapper/internal/statemachine.c of the component DeleteMonitoredItemsRequest Handler. This manipulation causes...

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...

NPM: Flowise: `DELETE /api/v1/chatflows/:id` does not validate resource type, allowing `agentflows:delete` and `chatflows:delete` to delete each other’s flow type

NPM: Flowise: DELETE /api/v1/chatflows/:id does not validate resource type, allowing agentflows:delete and chatflows:delete to delete each other’s flow type vulnerability discovered by ? in WordPress Npm flowise versions = 3.1.2...

Flowise: `DELETE /api/v1/chatflows/:id` does not validate resource type, allowing `agentflows:delete` and `chatflows:delete` to delete each other’s flow type

summary: In Flowise, DELETE /api/v1/chatflows/:id authorizes requests with checkAnyPermission'chatflows:delete,agentflows:delete'. Possession of either permission is sufficient to reach the delete path. The delete logic does not validate the target resource type, allowing a caller with only...

CVE-2026-69262 Flowise: `DELETE /api/v1/chatflows/:id` does not validate resource type, allowing `agentflows:delete` and `chatflows:delete` to delete each other’s flow type

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...

CVE-2026-69262 Flowise: `DELETE /api/v1/chatflows/:id` does not validate resource type, allowing `agentflows:delete` and `chatflows:delete` to delete each other’s flow type

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...

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...

EUVD-2026-52794

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...

CVE-2026-69110

OpenCode Studio before 2.4.4 contains a missing authentication vulnerability that allows unauthenticated remote attackers to read arbitrary files within the temp and static/music directories by directly accessing the GET /api/tmp/:tmpFile and GET /api/music/:fileName endpoints. Attackers can...

EUVD-2026-52743

OpenCode Studio before 2.4.4 contains a missing authentication vulnerability that allows unauthenticated remote attackers to read arbitrary files within the temp and static/music directories by directly accessing the GET /api/tmp/:tmpFile and GET /api/music/:fileName endpoints. Attackers can...

CVE-2026-69110 OpenCode Studio < 2.4.4 Unauthenticated File Read via /api/tmp and /api/music

OpenCode Studio before 2.4.4 contains a missing authentication vulnerability that allows unauthenticated remote attackers to read arbitrary files within the temp and static/music directories by directly accessing the GET /api/tmp/:tmpFile and GET /api/music/:fileName endpoints. Attackers can...

EUVD-2026-52726

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.3, the /api/v1/files route was protected only by the feat:files feature gate and did not enforce checkPermission on GET or DELETE. A low-privileged authenticated API key with unrelated permission...