Astra Linux – Vulnerability in Thunderbird

It was possible to create an email that included a tracking link as an attachment. If the user attempted to open the attachment, Thunderbird would automatically access the link. The configuration to block remote content did not prevent this behavior. Thunderbird has been updated to no longer allo...

Astra Linux – Vulnerability in Thunderbird

Thunderbird’s handling of the X-Mozilla-External-Attachment-URL header can be exploited to execute JavaScript in the file:/// context. By creating a nested email attachment message/rfc822 and setting its content type to application/pdf, Thunderbird may incorrectly render it as HTML when opened,...

CVE-2026-86259

OpenMAIC before 1.0.1 skips server-side request forgery validation in non-production builds, allowing unauthenticated attackers to reach cloud instance metadata services. Attackers can supply arbitrary provider URLs via the x-base-url header or baseUrl parameter to access sensitive cloud...

CVE-2026-86259 OpenMAIC before 1.0.1 SSRF via Environment-Gated URL Validation

OpenMAIC before 1.0.1 skips server-side request forgery validation in non-production builds, allowing unauthenticated attackers to reach cloud instance metadata services. Attackers can supply arbitrary provider URLs via the x-base-url header or baseUrl parameter to access sensitive cloud...

CVE-2026-86259 OpenMAIC before 1.0.1 SSRF via Environment-Gated URL Validation

OpenMAIC before 1.0.1 skips server-side request forgery validation in non-production builds, allowing unauthenticated attackers to reach cloud instance metadata services. Attackers can supply arbitrary provider URLs via the x-base-url header or baseUrl parameter to access sensitive cloud...

CVE-2026-82639: Improper Input Validation

NextChat versions from 2.15.8 through 2.16.1 contain an improper URL validation vulnerability in the proxy endpoint that allows attackers to obtain the server's OpenAI API key. The x-base-url header is validated using substring matching instead of hostname parsing, allowing any URL containing...

CVE-2026-81091

The proxy middleware in mcp-use's inspector forwards requests to a destination the caller names. mountMcpProxy in libraries/typescript/packages/inspector/src/server/proxy/mcp-proxy.ts read the target from the X-Target-URL header or the mcptarget parameter and proxied to it without inspecting the...

CVE-2026-81091

CVE-2026-81091 is a Server-Side Request Forgery (SSRF) in the proxy middleware of mcp-use's inspector . The vulnerable function mountMcpProxy (in libraries/typescript/packages/inspector/src/server/proxy/mcp-proxy.ts) read the target URL from the X-Target-URL header or __mcp_target parameter and f...

CVE-2026-81091 mcp-use Inspector Proxy Server-Side Request Forgery via Caller-Supplied Target URL

The proxy middleware in mcp-use's inspector forwards requests to a destination the caller names. mountMcpProxy in libraries/typescript/packages/inspector/src/server/proxy/mcp-proxy.ts read the target from the X-Target-URL header or the mcptarget parameter and proxied to it without inspecting the...

CVE-2026-81091 mcp-use Inspector Proxy Server-Side Request Forgery via Caller-Supplied Target URL

The proxy middleware in mcp-use's inspector forwards requests to a destination the caller names. mountMcpProxy in libraries/typescript/packages/inspector/src/server/proxy/mcp-proxy.ts read the target from the X-Target-URL header or the mcptarget parameter and proxied to it without inspecting the...

CVE-2026-77775 Headroom Proxy Sends Upstream Requests to a Client-Supplied Base URL Without Address Validation

Headroom's LLM proxy lets a client choose the upstream destination with the x-headroom-base-url request header. resolveopenaiupstreambase in headroom/proxy/handlers/openai.py accepts the header value, requires only that it parse with an http or https scheme and a hostname, and returns it for use ...

CVE-2026-19516

A caller-supplied X-Grafana-URL request header controls the destination of mcp-grafana's outbound requests, and the grafanaapirequest tool lets the caller also choose the HTTP method, path, and body. Because the destination is not restricted to the configured Grafana instance, a caller can direct...

EUVD-2026-55938

A caller-supplied X-Grafana-URL request header controls the destination of mcp-grafana's outbound requests, and the grafanaapirequest tool lets the caller also choose the HTTP method, path, and body. Because the destination is not restricted to the configured Grafana instance, a caller can direct...

CVE-2026-19516 CVE-2026-19516 CVE Record

A caller-supplied X-Grafana-URL request header controls the destination of mcp-grafana's outbound requests, and the grafanaapirequest tool lets the caller also choose the HTTP method, path, and body. Because the destination is not restricted to the configured Grafana instance, a caller can direct...

Grafana MCP server-side request forgery via X-Grafana-URL header (grafana_api_request)

A caller who can invoke the grafanaapirequest tool can supply an X-Grafana-URL request header to control the destination of mcp-grafana’s outbound requests, and can also choose the HTTP method, path, and body. Because the destination isn’t restricted to the configured Grafana instance, the caller...

SUSE CVE-2026-34476

Server-Side Request Forgery via SW-URL Header vulnerability in Apache SkyWalking MCP. This issue affects Apache SkyWalking MCP: 0.1.0. Users are recommended to upgrade to version 0.2.0, which fixes this issue...

CVE-2026-44583

Paymenter is a free and open-source webshop solution for management of hosting services. In versions prior to 1.5.0, the PayPal webhook endpoint /extensions/paypal/webhook processes the PAYPAL-CERT-URL HTTP header without validation, allowing attackers to control server-side HTTP request...

CVE-2026-15583

A confused-deputy flaw in Grafana MCP Server allows an unauthenticated remote attacker to exfiltrate the server's environment-configured Grafana service-account token by supplying a crafted X-Grafana-URL request header. This also enables SSRF against arbitrary internal services, including cloud...

CVE-2026-15583 SSRF (confused deputy) in Grafana MCP Server via X-Grafana-URL header

A confused-deputy flaw in Grafana MCP Server allows an unauthenticated remote attacker to exfiltrate the server's environment-configured Grafana service-account token by supplying a crafted X-Grafana-URL request header. This also enables SSRF against arbitrary internal services, including cloud...

PT-2026-58884

Name of the Vulnerable Software and Affected Versions Grafana MCP Server affected versions not specified Description A confused-deputy flaw allows an unauthenticated remote attacker to exfiltrate the environment-configured Grafana service-account token. This is achieved by supplying a crafted...