CVE-2026-9304

A security flaw has been discovered in calcom cal.diy up to 4.9.4. The affected element is the function validateUrlForSSRF of the file apps/web/app/api/logo/route.ts of the component Logo API. The manipulation results in server-side request forgery. It is possible to launch the attack remotely...

cal.diy 代码问题漏洞

cal.diy is an open-source calendar scheduling platform developed by Cal. Versions of cal.diy 4.9.4 and earlier have code vulnerabilities. These vulnerabilities stem from the Logo API component file apps/web/app/api/logo/route.ts, specifically the function validateUrlForSSRF, which may lead to...

CVE-2026-45400 Open WebUI: Server-Side Request Forgery (SSRF) bypass in `validate_url`

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.5, a parsing difference between the urlparse and requests libraries led to an SSRF bypass vulnerability. This vulnerability is fixed in 0.9.5...

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 parsing and request-routing path. An attacker can reach internal or loopback targets by supplying a URL containing a backslash, tab...

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-4V7R-F4W8-8972 Open WebUI has a full SSRF Vulnerability in the RAG Web Search Feature

SSRF Bypass via IPv6/IPv4-mapped IPv6/IPv4-reserved-ranges in validateurl Summary validateurl in backend/openwebui/retrieval/web/utils.py calls validators.ipv6ip, private=True, but the validators library does NOT implement the private keyword for IPv6 — the call raises a ValidationError which is...

GHSA-7RX4-C5VX-G8W3 Karakeep SDK has SSRF via metascraper-logo-favicon that bypasses validateUrl protections

Summary The metascraper-logo-favicon plugin makes HTTP requests to URLs extracted from attacker-controlled HTML without going through the application's validateUrl SSRF protections. This allows any authenticated user to make the server fetch arbitrary internal URLs by bookmarking a page containin...

Karakeep SDK has SSRF via metascraper-logo-favicon that bypasses validateUrl protections

Summary The metascraper-logo-favicon plugin makes HTTP requests to URLs extracted from attacker-controlled HTML without going through the application's validateUrl SSRF protections. This allows any authenticated user to make the server fetch arbitrary internal URLs by bookmarking a page containin...

PT-2026-41172

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.9.0 Description A Server-Side Request Forgery SSRF bypass exists in the validate url function located in backend/open webui/retrieval/web/utils.py. The function calls validators.ipv6ip, private=True, but because...

PT-2026-41173

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.9.0 Description A Server-Side Request Forgery SSRF issue exists in the process picture url function within backend/open webui/utils/oauth.py. The function fetches URLs from OAuth picture claims without using the...

Unity Linux 20.1060e / 20.1070e Security Update: php (UTSA-2026-017575)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017575 advisory. In PHP versions 7.3.x below 7.3.29, 7.4.x below 7.4.21 and 8.0.x below 8.0.8, when using URL validation functionality via filtervar function with FILTERVALIDATEURL...

CVE-2026-42449 n8n-MCP: IPv4-mapped IPv6 addresses bypass SSRF protection in validateUrlSync(), enabling full SSRF for SDK embedders

n8n-MCP is an MCP server that provides AI assistants access to n8n node documentation, properties, and operations. In versions 2.47.4 through 2.47.13, the SDK embedder path N8NDocumentationMCPServer constructor, getN8nApiClient, and validateInstanceContext, the synchronous URL validator in...

CVE-2026-42449

Summary: CVE-2026-42449 affects n8n-mcp SDK embedder paths where SSRF protection (SSRFProtection.validateUrlSync) fails to validate IPv4-mapped IPv6 addresses, enabling an attacker-controlled n8nApiUrl to cause the server to make HTTP requests to internal networks, cloud metadata endpoints, or lo...

CVE-2026-7729 pixelsock directus-mcp MCP index.ts validateUrl server-side request forgery

A security flaw has been discovered in pixelsock directus-mcp 1.0.0. This issue affects the function validateUrl of the file index.ts of the component MCP Interface. Performing a manipulation of the argument fileUrl results in server-side request forgery. The attack may be initiated remotely. The...

EUVD-2026-26883

A security flaw has been discovered in pixelsock directus-mcp 1.0.0. This issue affects the function validateUrl of the file index.ts of the component MCP Interface. Performing a manipulation of the argument fileUrl results in server-side request forgery. The attack may be initiated remotely. The...

n8n-mcp's IPv4-mapped IPv6 addresses bypass SSRF protection in validateUrlSync(), enabling full SSRF for SDK embedders

Impact In the SDK embedder path N8NDocumentationMCPServer constructor, getN8nApiClient, and validateInstanceContext, the synchronous URL validator in SSRFProtection.validateUrlSync had no IPv6 checks. IPv4-mapped IPv6 addresses such as http://::ffff:169.254.169.254 bypassed the cloud-metadata,...

GHSA-H7XC-4MV8-59FJ mcp-url-downloader has a Server-Side Request Forgery issue

A vulnerability has been found in dmitryglhf mcp-url-downloader up to 4b8cf2de55f6e8864a77d108e8a94a5b8e4394c6. Affected by this issue is the function validateurlsafe of the file src/mcpurldownloader/server.py. Such manipulation of the argument url leads to server-side request forgery. The attack...

mcp-url-downloader has a Server-Side Request Forgery issue

A vulnerability has been found in dmitryglhf mcp-url-downloader up to 4b8cf2de55f6e8864a77d108e8a94a5b8e4394c6. Affected by this issue is the function validateurlsafe of the file src/mcpurldownloader/server.py. Such manipulation of the argument url leads to server-side request forgery. The attack...

EUVD-2026-25925

A vulnerability has been found in dmitryglhf mcp-url-downloader up to 4b8cf2de55f6e8864a77d108e8a94a5b8e4394c6. Affected by this issue is the function validateurlsafe of the file src/mcpurldownloader/server.py. Such manipulation of the argument url leads to server-side request forgery. The attack...

MCP URL Downloader 代码问题漏洞

MCP URL Downloader is an AI assistant tool developed by Dmitry Gilemkhanov, which allows downloading files from URLs to a local device. Versions of MCP URL Downloader 4b8cf2de55f6e8864a77d108e8a94a5b8e4394c6 and earlier have code vulnerabilities. These vulnerabilities stem from improper handling ...