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...

CVE-2026-42344 FastGPT: DNS rebinding TOCTOU bypass in isInternalAddress allows SSRF on all protected endpoints

FastGPT is an AI Agent building platform. In versions 4.14.11 and prior, FastGPT's isInternalAddress function in packages/service/common/system/utils.ts is vulnerable to DNS rebinding TOCTOU — Time-of-Check to Time-of-Use. The function resolves the hostname via dns.resolve4/dns.resolve6 and check...

CVE-2026-42180 Lemmy: SSRF in /api/v3/post via Webmention dispatch

Lemmy is a link aggregator and forum for the fediverse. Prior to version 0.19.18, Lemmy allows an authenticated low-privileged user to create a link post through POST /api/v3/post. When a post is created in a public community, the backend asynchronously sends a Webmention to the attacker-controll...

n8n-mcp affected by path traversal, redirect-following SSRF, and telemetry payload exposure

Impact n8n-mcp versions before 2.50.1 contained three independently-reported issues affecting deployments that run the n8n API integration: 1. Caller-supplied identifiers were not validated before being used as URL path segments by the n8n API client. An authenticated MCP caller passing a crafted...

CVE-2026-44335

PraisonAI is a multi-agent teams system. Prior to version 1.6.32, the URL checking logic in PraisonAI has a logical flaw that could be bypassed by attackers, leading to SSRF attacks. This issue has been patched in version 1.6.32...

CVE-2026-41423 Angular: SSRF via protocol-relative and backslash URLs in Angular Platform-Server

Angular is a development platform for building mobile and desktop web applications using TypeScript/JavaScript and other languages. Prior to versions 19.2.21, 20.3.19, 21.2.9, and 22.0.0-next.8, a Server-Side Request Forgery SSRF vulnerability exists in @angular/platform-server due to improper...

CVE-2026-42261

PromptHub is an all-in-one AI toolbox for prompt, skill, and agent management. From version 0.4.9 to before version 0.5.4, apps/web/src/routes/skills.ts exposes an authenticated endpoint POST /api/skills/fetch-remote that fetches a user-supplied URL server-side and reflects the response body up t...

CVE-2026-42261

PromptHub is an all-in-one AI toolbox for prompt, skill, and agent management. From version 0.4.9 to before version 0.5.4, apps/web/src/routes/skills.ts exposes an authenticated endpoint POST /api/skills/fetch-remote that fetches a user-supplied URL server-side and reflects the response body up t...

PT-2026-39264

Name of the Vulnerable Software and Affected Versions MCP Registry versions prior to 1.7.7 Description The MCP Registry contains a Server-Side Request Forgery SSRF issue in its HTTP-based namespace verification process. The system uses a function called safeDialContext to prevent connections to...

PromptHub 输入验证错误漏洞

PromptHub is an AI prompt and skill management tool developed by Legeling. In versions 0.4.9 to 0.5.4 of PromptHub, there was a vulnerability related to input validation errors. This vulnerability stemmed from the endpoint POST /api/skills/fetch-remote, which retrieves the URL provided by the use...

FastGPT 代码问题漏洞

FastGPT is an open-source knowledge base question-answering system based on large language models developed by Labring. Versions of FastGPT prior to 4.14.17 contained code vulnerabilities. These vulnerabilities stemmed from inconsistent SSRF protections in the handling of MCP tool URLs, which...

PT-2026-39214

Name of the Vulnerable Software and Affected Versions Postiz versions 2.16.6 through 2.21.6 Description Postiz is an AI social media scheduling tool. A Time-of-Check-Time-of-Use TOCTOU issue exists where the isSafePublicHttpsUrl function resolves DNS to validate the target IP, but subsequent fetc...

New API 代码问题漏洞

The New API is an interface software developed by QuantumNous. Versions of the New API prior to 0.11.9-alpha.1 contained code vulnerabilities. These vulnerabilities stemmed from the lack of SSRF protection for the unspecified address 0.0.0.0, which could allow users with valid API tokens to bypas...

CVE-2026-8034

A server-side request forgery SSRF vulnerability was identified in the GitHub Enterprise Server notebook viewer that allowed an attacker to access internal services by exploiting URL parser confusion between the validation layer and the HTTP request library. The hostname validation used a differe...

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

NPM: nuxt-og-image SSRF — bypass of GHSA-pqhr-mp3f-hrpp / v6.2.5 fix IPv6 + redirect vulnerability discovered by ? in WordPress Npm nuxt-og-image versions = 6.2.5, 6.4.9...

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-2026-42449

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-2026-42449

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...