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-2026-41688

Wallos is an open-source, self-hostable personal subscription tracker. In versions 4.8.4 and prior, the incomplete SSRF fix in Wallos validates webhook URLs via gethostbyname but passes the original hostname to cURL without CURLOPTRESOLVE pinning on 10 of 11 outbound HTTP endpoints, leaving a DNS...

CVE-2026-41688 Incomplete fix for CVE-2026-33399: SSRF in Wallos

Wallos is an open-source, self-hostable personal subscription tracker. In versions 4.8.4 and prior, the incomplete SSRF fix in Wallos validates webhook URLs via gethostbyname but passes the original hostname to cURL without CURLOPTRESOLVE pinning on 10 of 11 outbound HTTP endpoints, leaving a DNS...

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-2026-41654 Weblate is Vulnerable to Authenticated SSRF via Project Backup Import bypassing validate_repo_url

Weblate is a web based localization tool. Prior to version 5.17.1, an authenticated user with project.add permission default on hosted Weblate SaaS and for any user holding an active billing/trial plan can import a crafted project backup ZIP whose components/.json contains an attacker-chosen repo...

Security Bulletin: Improper Hostname Normalization in Axios Enables NO_PROXY Bypass and SSRF Attacks

Summary Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.0 and 0.31.0, Axios does not correctly handle hostname normalization when checking NOPROXY rules. Requests to loopback addresses like localhost. with a trailing dot or ::1 IPv6 literal skip NOPROXY matching an...

CVE-2026-41413 Istio Vulnerable to SSRF via RequestAuthentication jwksUri

Istio is an open platform to connect, manage, and secure microservices. Prior to versions 1.28.6 and 1.29.2, when a RequestAuthentication resource is created with a jwksUri pointing to an internal service, istiod makes an unauthenticated HTTP GET request to that URL without filtering out localhos...

CVE-2026-42194

Admidio is an open-source user management solution. Prior to version 5.0.9, the incomplete SSRF fix in Admidio's fetchmetadata.php validates the resolved IP address but passes the original hostname-based URL to curlinit, leaving a DNS rebinding TOCTOU window that allows redirecting requests to...

PT-2026-38444

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 FILTER FLAG NO PRIV RANGE | FILTER FLAG NO RES RANGE that does not...

PT-2026-38594

Name of the Vulnerable Software and Affected Versions GitHub Enterprise Server versions prior to 3.21 Description A server-side request forgery SSRF issue exists in the notebook viewer. This occurs due to URL parser confusion between the validation layer and the HTTP request library, where the...

GHSA-WWWC-F646-VJ2J Duplicate Advisory: OpenClaw: Browser press/type interaction routes missed complete navigation guard coverage

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-536q-mj95-h29h. This link is maintained to preserve external references. Original Description OpenClaw before 2026.4.10 contains an incomplete navigation guard vulnerability that allows attackers to trigger...

GHSA-R747-33R4-RMJW Duplicate Advisory: OpenClaw: QQBot direct media upload skipped URL SSRF validation

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-c4qg-j8jg-42q5. This link is maintained to preserve external references. Original Description OpenClaw before 2026.4.20 contains a server-side request forgery vulnerability in QQBot direct media upload that skip...

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...

CVE-2026-43580 OpenClaw < 2026.4.10 - Incomplete Navigation Guard Coverage in Browser Interactions

OpenClaw before 2026.4.10 contains an incomplete navigation guard vulnerability that allows attackers to trigger navigation without complete SSRF policy enforcement. Browser press/type style interactions, including pressKey and type submit flows, can bypass post-action security checks to execute...

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,...

CVE-2026-20035

A vulnerability in the web UI of Cisco Unity Connection Web Inbox could allow an unauthenticated, remote attacker to conduct SSRF attacks through an affected device. This vulnerability is due to improper input validation for specific HTTP requests. An attacker could exploit this vulnerability by...

CVE-2026-43527

OpenClaw before 2026.4.14 contains a server-side request forgery vulnerability in browser SSRF policy that allows private-network navigation by default. Attackers can exploit this misconfiguration to access internal services or metadata endpoints through browser-driven requests...

CVE-2026-39383

Gotenberg is an API-based document conversion tool. In version 8.29.1, an unauthenticated attacker with network access can force the server to make outbound HTTP POST requests to arbitrary internal or external destinations by supplying a crafted URL in the Gotenberg-Webhook-Url request header. Th...