EUVD-2026-30665

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.8.0, GET /api/v1/memories/ef is accessible without authentication and executes request.app.state.EMBEDDINGFUNCTION.... This allows any unauthenticated caller to trigger embedding generati...

EUVD-2026-30640

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.6.10, when uploading an audio file, the name of the file is derived from the original HTTP upload request and is not validated or sanitized. This allows for users to upload files with nam...

CVE-2026-44565 Open WebUI: Open WebUI Arbitrary File Write, Delete via Path Traversal

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.6.10, when uploading an audio file, the name of the file is derived from the original HTTP upload request and is not validated or sanitized. This allows for users to upload files with nam...

CVE-2026-44565 Open WebUI: Open WebUI Arbitrary File Write, Delete via Path Traversal

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.6.10, when uploading an audio file, the name of the file is derived from the original HTTP upload request and is not validated or sanitized. This allows for users to upload files with nam...

CVE-2026-44565

CVE-2026-44565 affects Open WebUI prior to 0.6.10. The upload API derives the target path from the original HTTP upload filename without validation, enabling dot-segment path traversal and arbitrary file writes to locations the web server user can access. This is fixed in 0.6.10. Mitigation guida...

CVE-2026-45314 Open WebUI: XSS via SVG in /api/v1/channels/webhooks/{webhook_id}/profile/image

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.3, the channel webhook create/update flow accepts arbitrary profileimageurl values, including data:image/svg+xml;base64,... payloads. The profile image endpoint then decodes and serves...

CVE-2026-45314

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.3, the channel webhook create/update flow accepts arbitrary profileimageurl values, including data:image/svg+xml;base64,... payloads. The profile image endpoint then decodes and serves...

CVE-2026-45314 Open WebUI: XSS via SVG in /api/v1/channels/webhooks/{webhook_id}/profile/image

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.3, the channel webhook create/update flow accepts arbitrary profileimageurl values, including data:image/svg+xml;base64,... payloads. The profile image endpoint then decodes and serves...

EUVD-2026-30662

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.3, the channel webhook create/update flow accepts arbitrary profileimageurl values, including data:image/svg+xml;base64,... payloads. The profile image endpoint then decodes and serves...

CVE-2026-45314 Open WebUI: XSS via SVG in /api/v1/channels/webhooks/{webhook_id}/profile/image

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.3, the channel webhook create/update flow accepts arbitrary profileimageurl values, including data:image/svg+xml;base64,... payloads. The profile image endpoint then decodes and serves...

CVE-2026-45316

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.3, the POST /api/v1/notes/id/pin endpoint performs a write operation toggling the ispinned field but only checks for read permission. Users with read-only access to a shared note can...

EUVD-2026-30660

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.3, the POST /api/v1/notes/id/pin endpoint performs a write operation toggling the ispinned field but only checks for read permission. Users with read-only access to a shared note can...

CVE-2026-45316 Open WebUI: Read-Only Users Can Toggle Note Pin Status via Incorrect Permission Check (Write via Read-Only Access)

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.3, the POST /api/v1/notes/id/pin endpoint performs a write operation toggling the ispinned field but only checks for read permission. Users with read-only access to a shared note can...

CVE-2026-45316 Open WebUI: Read-Only Users Can Toggle Note Pin Status via Incorrect Permission Check (Write via Read-Only Access)

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.3, the POST /api/v1/notes/id/pin endpoint performs a write operation toggling the ispinned field but only checks for read permission. Users with read-only access to a shared note can...

CVE-2026-45316

Summary (Open WebUI CVE-2026-45316): A permission check bug in the POST /api/v1/notes/{id}/pin endpoint allows read-only users to toggle a note’s is_pinned state because it checks read permission instead of write. The issue occurs in Open WebUI prior to 0.9.3 and is fixed in 0.9.3. The vulnerabil...

CVE-2026-45317 Open WebUI: Cross-Site Request Forgery (CSRF) via Image URL Manipulation

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.3, an application-wide Cross-Site Request Forgery CSRF vulnerability was found Open-WebUl's image uploading functionality. An attacker can set an image URL to a malicious endpoint,...

CVE-2026-45317 Open WebUI: Cross-Site Request Forgery (CSRF) via Image URL Manipulation

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.3, an application-wide Cross-Site Request Forgery CSRF vulnerability was found Open-WebUl's image uploading functionality. An attacker can set an image URL to a malicious endpoint,...

CVE-2026-45317

CVE-2026-45317 describes an application-wide CSRF vector in Open WebUI’s image handling prior to 0.9.3. An authenticated user can influence image URL rendering so that viewing a compromised image causes the user’s browser to issue GET requests to an attacker-controlled URL, potentially leaking co...

CVE-2026-45317 Open WebUI: Cross-Site Request Forgery (CSRF) via Image URL Manipulation

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.3, an application-wide Cross-Site Request Forgery CSRF vulnerability was found Open-WebUl's image uploading functionality. An attacker can set an image URL to a malicious endpoint,...

CVE-2026-45318 Open WebUI: Stored XSS via unsanitized Office/Excel/DOCX file preview rendering ({@html} without DOMPurify)

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.3, his advisory tracks a regression of the original Excel-preview XSS CVE-2026-44549. The same root cause — XLSX.utils.sheettohtml output rendered via @html excelHtml without DOMPurify ...