CVE-2026-54009 Open WebUI: Cross-user file disclosure via /api/chat/completions image_url field

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, POST /api/chat/completions accepts an imageurl.url value that, when it does NOT start with http://, https://, or data:image/, is interpreted as a file id and resolved against the...

CVE-2026-54009

CVE-2026-54009 affects Open WebUI prior to 0.9.6. The vulnerability arises in the image_url handling path: convert_url_images_to_base64 calls get_image_base64_from_url without a user context, and get_image_base64_from_url uses Files.get_file_by_id (no ownership check) to retrieve a file by ID. Th...

Open WebUI: Stored XSS to Account Takeover via Model Profile Images

Stored XSS to Account Takeover via Model Profile Images in Open WebUI Affected: Open WebUI tags. On the output side, users.py added a MIME allowlist check and X-Content-Type-Options: nosniff. The fix was applied to UserUpdateForm, UpdateProfileForm, and later to ChannelWebhookForm. Three models...

Protection Mechanism Failure

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Protection Mechanism Failure via the profileimageurl field in the model metadata process. An attacker can execute arbitrary JavaScript in the context of another user's session by storing a crafted SVG payload...

Authorization Bypass Through User-Controlled Key

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key via the getimagebase64fromurl function. An attacker can access files belonging to other users by supplying a file identifier in the imageurl.url field that doe...

Open WebUI: Cross-user file disclosure via /api/chat/completions image_url field

summary POST /api/chat/completions accepts an imageurl.url value that, when it does NOT start with http://, https://, or data:image/, is interpreted as a file id and resolved against the global file table with no ownership check. An authenticated user can therefore set imageurl.url to another...

GHSA-WCH8-MHJ5-9FRG Open WebUI: Cross-user file disclosure via /api/chat/completions image_url field

summary POST /api/chat/completions accepts an imageurl.url value that, when it does NOT start with http://, https://, or data:image/, is interpreted as a file id and resolved against the global file table with no ownership check. An authenticated user can therefore set imageurl.url to another...

PT-2026-50481

Name of the Vulnerable Software and Affected Versions Open-webui affected versions not specified Description An authenticated user can access files belonging to other users by exploiting a lack of ownership verification in the image processing path. When the POST endpoint "/api/chat/completions"...

CVE-2026-53470

A flaw was found in migration-planner. An authenticated attacker could exploit an improper access control vulnerability in the /api/v1/sources/id/image-url endpoint. This flaw allows the attacker to bypass an ownership check and obtain presigned S3 URLs for Open Virtual Appliance OVA images...

CVE-2026-53470 Migration-planner: getsourcedownloadurl missing organization check

A flaw was found in migration-planner. An authenticated attacker could exploit an improper access control vulnerability in the /api/v1/sources/id/image-url endpoint. This flaw allows the attacker to bypass an ownership check and obtain presigned S3 URLs for Open Virtual Appliance OVA images...

PT-2026-48394

The Easy Image Collage plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'gridpropertiesborderColor' and 'gridimagesNattachment url' Parameters in all versions up to, and including, 1.13.6 due to insufficient input sanitization and output escaping. This makes it possible for...

KubeV2V Migration assessment 授权问题漏洞

Migration assessment is an open-source tool developed by KubeV2V for evaluating and providing migration recommendations for VMware environments. There is a security vulnerability in Migration assessment. This vulnerability stems from the /api/v1/sources/id/image-url endpoint, where improper acces...

PT-2026-48444

Name of the Vulnerable Software and Affected Versions migration-planner affected versions not specified Description An improper access control flaw exists in the '/api/v1/sources/id/image-url' endpoint. An authenticated attacker can bypass ownership checks to obtain presigned S3 URLs for Open...

Authorization Bypass Through User-Controlled Key

Overview Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key via the /api/v1/sources/id/image-url endpoint, which fails to properly verify organizational ownership. An attacker can access and download OVA images containing sensitive data, such as...

Authorization Bypass Through User-Controlled Key

Overview Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key via the /api/v1/sources/id/image-url endpoint, which fails to properly verify organizational ownership. An attacker can access and download OVA images containing sensitive data, such as...

Authorization Bypass Through User-Controlled Key

Overview Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key via the /api/v1/sources/id/image-url endpoint, which fails to properly verify organizational ownership. An attacker can access and download OVA images containing sensitive data, such as...

CVE-2026-7150

A vulnerability was found in dh1011 auto-favicon up to f189116a9259950c2393f114dbcb94dde0ad864b. This issue affects the function generatefaviconfromurl of the file src/autofavicon/server.py of the component MCP Tool. The manipulation of the argument imageurl results in server-side request forgery...

CVE-2026-10661

A vulnerability has been found in ahujasid blender-mcp up to 7636d13bded82eca58eb93c3f4cd8708dfdfbe8b. Impacted is the function Open of the file src/blendermcp/server.py. The manipulation of the argument inputimageurl leads to injection. Remote exploitation of the attack is possible. The exploit...

CVE-2026-33659

EspoCRM is an open source customer relationship management application. In versions 9.3.3 and below, the POST /api/v1/Attachment/fromImageUrl endpoint is vulnerable to Server-Side Request Forgery SSRF via a DNS rebinding TOCTOU condition. Host validation uses dnsgetrecord but the actual HTTP...

CVE-2026-45299

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.8.0, the profileimageurl field on the user profile update form accepted arbitrary data: URI values without MIME-type validation, resulting in a XSS vulnerability. This vulnerability is...