CVE-2026-87999

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. Prior to 0.11.1, POST /api/v1/retrieval/process/web and POST /api/v1/retrieval/process/web/search in backend/openwebui/retrieval/web/utils.py treated Python's globally routable address classification as proof th...

hubzoid (>=0.7.15, <=0.9.6), openwebui-token-tracking (0.1.7) potentially affected by CVE-2026-87999 via open-webui (>=0.6.0, <=0.11.0)

open-webui PYPI version =0.6.0, =0.7.15, =0.9.6 - openwebui-token-tracking 0.1.7 Source cves: CVE-2026-87999 Source advisory: MEND:CVE-2026-87999...

CVE-2026-87998

Open WebUI (versions 0.10.0 through 0.11.1 ) contains an authorization flaw in the knowledge base deletion endpoint (DELETE /api/v1/knowledge/{id}/delete in backend/open_webui/routers/knowledge.py). The endpoint validates permissions against the knowledge base itself but then removes the associat...

CVE-2026-87998 Open WebUI: Non-admin users can delete admin-owned external knowledge connections via knowledge base deletion

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/knowledge/id/delete in backend/openwebui/routers/knowledge.py authorized deletion against the knowledge base but then removed its administrator-owned external connection...

CVE-2026-87998

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/knowledge/id/delete in backend/openwebui/routers/knowledge.py authorized deletion against the knowledge base but then removed its administrator-owned external connection...

hubzoid (>=0.7.15, <=0.9.6) potentially affected by CVE-2026-87998 via open-webui (0.11.0)

open-webui PYPI version 0.11.0 is affected by a known vulnerability. The following packages have a transitive dependency on open-webui and may be impacted: - hubzoid =0.7.15, =0.9.6 Source cves: CVE-2026-87998 Source advisory: MEND:CVE-2026-87998...

CVE-2026-87998 Open WebUI: Non-admin users can delete admin-owned external knowledge connections via knowledge base deletion

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/knowledge/id/delete in backend/openwebui/routers/knowledge.py authorized deletion against the knowledge base but then removed its administrator-owned external connection...

CVE-2026-87998 Open WebUI: Non-admin users can delete admin-owned external knowledge connections via knowledge base deletion

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/knowledge/id/delete in backend/openwebui/routers/knowledge.py authorized deletion against the knowledge base but then removed its administrator-owned external connection...

CVE-2026-87997

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.10.0 until 0.11.1, POST /api/chat/completions and POST /api/v1/chat/completions in backend/openwebui/main.py copied a client-supplied folderid into a new chat without applying the folder write-access chec...

CVE-2026-87997 Open WebUI: Any authenticated user can inject chats into another user's folder via chat completions

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.10.0 until 0.11.1, POST /api/chat/completions and POST /api/v1/chat/completions in backend/openwebui/main.py copied a client-supplied folderid into a new chat without applying the folder write-access chec...

hubzoid (>=0.7.15, <=0.9.6) potentially affected by CVE-2026-87997 via open-webui (0.11.0)

open-webui PYPI version 0.11.0 is affected by a known vulnerability. The following packages have a transitive dependency on open-webui and may be impacted: - hubzoid =0.7.15, =0.9.6 Source cves: CVE-2026-87997 Source advisory: MEND:CVE-2026-87997...

CVE-2026-87997 Open WebUI: Any authenticated user can inject chats into another user's folder via chat completions

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.10.0 until 0.11.1, POST /api/chat/completions and POST /api/v1/chat/completions in backend/openwebui/main.py copied a client-supplied folderid into a new chat without applying the folder write-access chec...

CVE-2026-87997 Open WebUI: Any authenticated user can inject chats into another user's folder via chat completions

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.10.0 until 0.11.1, POST /api/chat/completions and POST /api/v1/chat/completions in backend/openwebui/main.py copied a client-supplied folderid into a new chat without applying the folder write-access chec...

CVE-2026-87997

Open WebUI (self-hosted AI platform) versions 0.10.0 through 0.11.1 contain an access-control bypass in POST /api/chat/completions and POST /api/v1/chat/completions (backend/open_webui/main.py). A client-supplied folder_id was copied into a new chat without the folder write-access check enforced ...

hubzoid (>=0.7.15, <=0.9.6) potentially affected by CVE-2026-87996 via open-webui (0.11.0)

open-webui PYPI version 0.11.0 is affected by a known vulnerability. The following packages have a transitive dependency on open-webui and may be impacted: - hubzoid =0.7.15, =0.9.6 Source cves: CVE-2026-87996 Source advisory: MEND:CVE-2026-87996...

CVE-2026-87996 Open WebUI: SSRF into internal services via DNS rebinding in the Playwright web loader

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...

CVE-2026-87996 Open WebUI: SSRF into internal services via DNS rebinding in the Playwright web loader

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...

CVE-2026-87996 Open WebUI: SSRF into internal services via DNS rebinding in the Playwright web loader

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...

CVE-2026-87996

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...

CVE-2026-87996

Open WebUI (self-hosted AI platform), versions 0.9.6 through 0.11.1 , is affected by an SSRF via DNS rebinding in the SafePlaywrightURLLoader component (backend/open_webui/retrieval/web/utils.py). The root cause is a trust mismatch: a user-controlled hostname is validated in Python, but the Playw...