Open WebUI has a Server-Side Request Forgery (SSRF) bypass in `validate_url`

Summary In the open-webui project, a parsing difference between the urlparse and requests libraries led to an SSRF bypass vulnerability. Details In the current project, URL validation is performed using the function validateurl. The current checking logic uses urlparse to parse the hostname part ...

Open WebUI vulnerable to blind server side request forgery (SSRF) via the PDF generate function

Summary Blind server side request forgery SSRF via the PDF generate function. The finding resulted from a penetration test for a customer. It is suspected that the root cause of the issue lies within the core of Open WebUI, which is why it is being reported as a security issue here. Tested on Ope...

GHSA-F776-FP4W-266C Open WebUI vulnerable to blind server side request forgery (SSRF) via the PDF generate function

Summary Blind server side request forgery SSRF via the PDF generate function. The finding resulted from a penetration test for a customer. It is suspected that the root cause of the issue lies within the core of Open WebUI, which is why it is being reported as a security issue here. Tested on Ope...

Server-side Request Forgery (SSRF)

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the pdf generate process. An attacker can cause the server to initiate arbitrary outbound HTTP requests by injecting crafted HTML, such as an tag, into user-controllable...

Server-side Request Forgery (SSRF)

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Server-side Request Forgery SSRF through the OAuthManager profile picture fetch path in the OAuth handling code. An attacker can make the server send outbound requests to arbitrary URLs by supplying a malicio...

Open WebUI Vulnerable to SSRF via OAuth Profile Picture URL in _process_picture_url (oauth.py)

Summary A Server-Side Request Forgery SSRF vulnerability exists in processpictureurl in backend/openwebui/utils/oauth.py line 1338. The function fetches arbitrary URLs from OAuth picture claims without applying validateurl, allowing an attacker to force the server to make HTTP requests to interna...

GHSA-24C9-2M8Q-QHMH Open WebUI Vulnerable to SSRF via OAuth Profile Picture URL in _process_picture_url (oauth.py)

Summary A Server-Side Request Forgery SSRF vulnerability exists in processpictureurl in backend/openwebui/utils/oauth.py line 1338. The function fetches arbitrary URLs from OAuth picture claims without applying validateurl, allowing an attacker to force the server to make HTTP requests to interna...

GHSA-PR6F-5X2Q-RWFP Svelte SSR vulnerable to cross-site scripting via spread attributes

When using spread syntax to render attributes from untrusted data, event handler properties are included in the rendered HTML output. If an application spreads user-controlled or external data as element attributes, an attacker can inject malicious event handlers that execute in victims' browsers...

NPM: Svelte SSR vulnerable to cross-site scripting via spread attributes

NPM: Svelte SSR vulnerable to cross-site scripting via spread attributes vulnerability discovered by ? in WordPress Npm svelte versions = 5.55.6...

Svelte SSR vulnerable to cross-site scripting via spread attributes

When using spread syntax to render attributes from untrusted data, event handler properties are included in the rendered HTML output. If an application spreads user-controlled or external data as element attributes, an attacker can inject malicious event handlers that execute in victims' browsers...

Server-side Request Forgery (SSRF)

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Server-side Request Forgery SSRF through the validateurl function in the URL validation component. An attacker can bypass private-address checks by supplying a hostname that resolves to a private IPv6 address...

CVE-2026-44661 python-utcp: SSRF via attacker-controlled OpenAPI servers[0].url in HTTP communication protocol

python-utcp is the python implementation of UTCP. Prior to 1.1.3, the utcp-http plugin is vulnerable to a blind Server-Side Request Forgery SSRF caused by a trust-boundary inconsistency between manual discovery and tool invocation. registermanual validates the discovery URL against an HTTPS /...

CVE-2026-44661 python-utcp: SSRF via attacker-controlled OpenAPI servers[0].url in HTTP communication protocol

python-utcp is the python implementation of UTCP. Prior to 1.1.3, the utcp-http plugin is vulnerable to a blind Server-Side Request Forgery SSRF caused by a trust-boundary inconsistency between manual discovery and tool invocation. registermanual validates the discovery URL against an HTTPS /...

CVE-2026-44661

CVE-2026-44661 affects python-utcp (utcp-http plugin) prior to v1.1.3. The vulnerability arises because register_manual() validates discovery URLs against an HTTPS/loopback allowlist, while call_tool()/call_tool_streaming() reuse tool_call_template.url without revalidation and the OpenAPI convert...

CVE-2026-44455

Hono is a Web application framework that provides support for any JavaScript runtime. Prior to 4.12.16, Improper handling of JSX element tag names in hono/jsx allowed unvalidated tag names to be directly inserted into the generated HTML output. When untrusted input is used as a tag name via the...

CVE-2026-44589 nuxt-og-image SSRF — bypass of GHSA-pqhr-mp3f-hrpp / v6.2.5 fix (IPv6 + redirect)

Nuxt OG Image generates OG Images with Vue templates in Nuxt. The isBlockedUrl denylist introduced in [email protected] to remediate GHSA-pqhr-mp3f-hrpp Dmitry Prokhorov / Positive Technologies, March 2026 is incomplete. It has an incomplete IPv6 prefix list and is missing redirect re-validatio...

NPM: Apostrophe has authenticated SSRF in rich-text widget import via @apostrophecms/area/validate-widget

NPM: Apostrophe has authenticated SSRF in rich-text widget import via @apostrophecms/area/validate-widget vulnerability discovered by ? in WordPress Npm apostrophe versions = 4.29.0...

GHSA-PR28-MF3Q-QPG6 Apostrophe has authenticated SSRF in rich-text widget import via @apostrophecms/area/validate-widget

Summary ApostropheCMS contains an authenticated server-side request forgery SSRF in the rich-text widget import flow. An authenticated user who can submit/edit rich-text widget content can cause the server to fetch attacker-controlled URLs during widget validation. For image-compatible responses,...

Apostrophe has authenticated SSRF in rich-text widget import via @apostrophecms/area/validate-widget

Summary ApostropheCMS contains an authenticated server-side request forgery SSRF in the rich-text widget import flow. An authenticated user who can submit/edit rich-text widget content can cause the server to fetch attacker-controlled URLs during widget validation. For image-compatible responses,...

Server-side Request Forgery (SSRF)

Overview apostrophe is a content management system CMS for Node.js. It supports in-context editing, schema-driven content types, flexible widgets and a great deal more. This module contains everything necessary to build a website with ApostropheCMS. Affected versions of this package are vulnerabl...