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...

CVE-2026-45400

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...

CVE-2026-45401 Open WebUI: SSRF Bypass via HTTP Redirect Following in Web-Fetch and Image-Load Endpoints

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.5, the validateurl function in backend/openwebui/retrieval/web/utils.py only validates the initial URL submitted by the caller. The HTTP clients used downstream sync requests, async...

Open WebUI 代码问题漏洞

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted WebUI that is open source. Versions of Open WebUI prior to 0.9.5 had code issues and vulnerabilities, which were caused by parsing differences between the urlparse and requests libraries, leading to SSRF bypasses...

DeepSeek TUI has SSRF via HTTP Redirect Bypass in fetch_url Tool

Summary The fetchurl tool validates the initial URL's resolved IP address against a restricted-IP blocklist isrestrictedip to prevent SSRF attacks against internal services cloud metadata endpoints, localhost, private networks. However, the HTTP client reqwest is configured to automatically follo...

CVE-2026-42592

Gotenberg (v7/v8) contains a DNS rebinding/SSRF issue in the FilterOutboundURL flow. Before 8.32.0, FilterOutboundURL resolves hostnames, filters IPs against a private-address deny-list, but discards the resolved addresses. Chromium then performs its own DNS resolution when navigating to the URL,...

CVE-2026-42592 Gotenberg: DNS rebinding bypasses SSRF validation on Chromium URL conversion routes

Gotenberg is a Docker-powered stateless API for PDF files. Prior to 8.32.0, FilterOutboundURL resolves the hostname, checks the resolved IPs against the private-address deny-list, and returns only the error. It discards the resolved addresses. Chromium later performs its own DNS resolution when i...

PT-2026-40933

Name of the Vulnerable Software and Affected Versions n8n versions prior to 1.123.43 n8n versions prior to 2.20.7 n8n versions prior to 2.22.1 Description An authenticated user with permissions to create or modify workflows can achieve global prototype pollution through an unvalidated pagination...

CVE-2026-43884 WWBN AVideo: SSRF Protection Bypass via HTTP Redirect and DNS Rebinding in isSSRFSafeURL()

WWBN AVideo is an open source video platform. In versions up to and including 29.0, two endpoints plugin/AI/receiveAsync.json.php and objects/EpgParser.php in AVideo call isSSRFSafeURL to validate user-supplied URLs, then fetch them using bare filegetcontents without disabling PHP's automatic...

CVE-2026-42346 Postiz: TOCTOU DNS rebinding bypasses all SSRF URL validation paths

Postiz is an AI social media scheduling tool. From version 2.16.6 to before version 2.21.7, all SSRF protections added in v2.21.4–v2.21.6 share a fundamental TOCTOU Time-of-Check-Time-of-Use vulnerability: isSafePublicHttpsUrl resolves DNS to validate the target IP, but subsequent fetch calls...

CVE-2026-42339 New API: SSRF Filter Bypass via 0.0.0.0

New API is a large language mode LLM gateway and artificial intelligence AI asset management system. In versions 0.11.9-alpha.1 and prior, the SSRF protection introduced in v0.9.0.5 CVE-2025-59146 and hardened in v0.9.6 CVE-2025-62155 does not block the unspecified address 0.0.0.0. A regular...

CVE-2026-42345

FastGPT (version 4.14.11 and earlier) exposes an SSRF risk in isInternalAddress() (packages/service/common/system/utils.ts) where a fullUrl.startsWith() hardcoded blocklist can be bypassed by at least 7 URL-encoding techniques that resolve to the cloud metadata endpoint. The broader private IP ch...

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

Summary The isBlockedUrl denylist introduced in [email protected] to remediate GHSA-pqhr-mp3f-hrpp Dmitry Prokhorov / Positive Technologies, March 2026 is incomplete. The patch advisory states "Decimal/hexadecimal IP encoding bypasses are also handled" — that part is true Node's WHATWG URL pars...

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 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-2026-41687 Wallos: SSRF CGNAT Bypass in subscription/payments Logo URL — is_cgnat_ip() Not Used in Inline Checks

Wallos is an open-source, self-hostable personal subscription tracker. Prior to version 4.8.1, the SSRF protection in endpoints/subscription/add.php line 42 and endpoints/payments/add.php line 40 uses an inline IP validation check FILTERFLAGNOPRIVRANGE | FILTERFLAGNORESRANGE that does not block...

CVE-2026-33975

Twenty is an open source CRM built with NestJS Node.js. In versions 1.18.0 and earlier, the SSRF protection in twenty-server's SecureHttpClientService can be bypassed using IPv4-mapped IPv6 addresses in URL IP literals. Node.js's URL parser normalizes IPv4-mapped IPv6 addresses to compressed hex...

dssrf: every IPv6 category bypasses is_url_safe

A vulnerability on dssrf allow, an attacker to use, one of them following ipv6 rust Input Category http://::1/ IPv6 loopback http://fc00::1/ IPv6 ULA http://fe80::1/ IPv6 link-local http://::ffff:127.0.0.1/ IPv4-mapped loopback http://::ffff:169.254.169.254/ IPv4-mapped IMDS...

GHSA-8P33-Q827-GHJ5 dssrf: every IPv6 category bypasses is_url_safe

A vulnerability on dssrf allow, an attacker to use, one of them following ipv6 rust Input Category http://::1/ IPv6 loopback http://fc00::1/ IPv6 ULA http://fe80::1/ IPv6 link-local http://::ffff:127.0.0.1/ IPv4-mapped loopback http://::ffff:169.254.169.254/ IPv4-mapped IMDS...

QuantumNous/new-api has an SSRF Filter Bypass via 0.0.0.0

SSRF Filter Bypass via 0.0.0.0 Summary The SSRF protection introduced in v0.9.0.5 CVE-2025-59146 and hardened in v0.9.6 CVE-2025-62155 does not block the unspecified address 0.0.0.0. A regular non-admin user holding any valid API token can send a multimodal request to /v1/chat/completions,...