@zereight/mcp-gitlab: Unauthenticated arbitrary file read via `upload_markdown` enables PAT exfiltration and full account takeover

Summary The SSE transport mode SSE=true exposes all MCP tools without any authentication. The uploadmarkdown tool reads arbitrary files from the server's local filesystem via an unsanitized filepath parameter and uploads them to a GitLab project. Combined, any unauthenticated network-reachable...

GHSA-CV3R-C5H8-F4G5 @zereight/mcp-gitlab: Unauthenticated arbitrary file read via `upload_markdown` enables PAT exfiltration and full account takeover

Summary The SSE transport mode SSE=true exposes all MCP tools without any authentication. The uploadmarkdown tool reads arbitrary files from the server's local filesystem via an unsanitized filepath parameter and uploads them to a GitLab project. Combined, any unauthenticated network-reachable...

CVE-2026-61568

@zereight/mcp-gitlab is a Model Context Protocol server for GitLab. Versions prior to 2.1.30 expose the Streamable HTTP MCP endpoint without an effective Host or Origin allowlist. A malicious web page can use DNS rebinding to route browser requests to a victim's local MCP listener while preservin...

CVE-2026-61560 @zereight/mcp-gitlab's unauthenticated arbitrary file read via `upload_markdown` enables PAT exfiltration and full account takeover

@zereight/mcp-gitlab is a Model Context Protocol server for GitLab. Prior to version 2.1.27, the SSE transport mode SSE=true exposes all MCP tools without any authentication. The uploadmarkdown tool reads arbitrary files from the server's local filesystem via an unsanitized filepath parameter and...

CVE-2026-61560 @zereight/mcp-gitlab's unauthenticated arbitrary file read via `upload_markdown` enables PAT exfiltration and full account takeover

@zereight/mcp-gitlab is a Model Context Protocol server for GitLab. Prior to version 2.1.27, the SSE transport mode SSE=true exposes all MCP tools without any authentication. The uploadmarkdown tool reads arbitrary files from the server's local filesystem via an unsanitized filepath parameter and...

CVE-2026-61560

@zereight/mcp-gitlab is a Model Context Protocol (MCP) server for GitLab. Prior to version 2.1.27 , when the SSE transport mode is enabled (SSE=true), all MCP tools are exposed without authentication. The upload_markdown tool reads arbitrary files from the server's local filesystem via an unsanit...

CVE-2026-61559 @zereight/mcp-gitlab Vulnerable to Server-Side Request Forgery

@zereight/mcp-gitlab is a Model Context Protocol server for GitLab. Starting in version 0.0.1 and prior to version 2.1.27, when the environment variable ENABLEDYNAMICAPIURL=true is set, the server reads the X-GitLab-API-URL HTTP request header and uses it as the base URL for all outbound GitLab A...

CVE-2026-61559 @zereight/mcp-gitlab Vulnerable to Server-Side Request Forgery

@zereight/mcp-gitlab is a Model Context Protocol server for GitLab. Starting in version 0.0.1 and prior to version 2.1.27, when the environment variable ENABLEDYNAMICAPIURL=true is set, the server reads the X-GitLab-API-URL HTTP request header and uses it as the base URL for all outbound GitLab A...

CVE-2026-61559 @zereight/mcp-gitlab Vulnerable to Server-Side Request Forgery

@zereight/mcp-gitlab is a Model Context Protocol server for GitLab. Starting in version 0.0.1 and prior to version 2.1.27, when the environment variable ENABLEDYNAMICAPIURL=true is set, the server reads the X-GitLab-API-URL HTTP request header and uses it as the base URL for all outbound GitLab A...

CVE-2026-61568 @zereight/mcp-gitlab: DNS rebinding reaches local Streamable HTTP MCP transport

@zereight/mcp-gitlab is a Model Context Protocol server for GitLab. Versions prior to 2.1.30 expose the Streamable HTTP MCP endpoint without an effective Host or Origin allowlist. A malicious web page can use DNS rebinding to route browser requests to a victim's local MCP listener while preservin...

CVE-2026-61568 @zereight/mcp-gitlab: DNS rebinding reaches local Streamable HTTP MCP transport

@zereight/mcp-gitlab is a Model Context Protocol server for GitLab. Versions prior to 2.1.30 expose the Streamable HTTP MCP endpoint without an effective Host or Origin allowlist. A malicious web page can use DNS rebinding to route browser requests to a victim's local MCP listener while preservin...

@zereight/mcp-gitlab: DNS rebinding reaches local Streamable HTTP MCP transport

@zereight/mcp-gitlab exposes its Streamable HTTP MCP endpoint without an effective Host or Origin allowlist. A malicious web page can use DNS rebinding to route browser requests to a victim's local MCP listener while preserving an attacker-controlled Host and Origin. The server accepts those...

CVE-2026-61560: Improper Limitation of a Pathname to a Restricted Directory

@zereight/mcp-gitlab is a Model Context Protocol server for GitLab. Prior to version 2.1.27, the SSE transport mode SSE=true exposes all MCP tools without any authentication. The uploadmarkdown tool reads arbitrary files from the server's local filesystem via an unsanitized filepath parameter and...

CVE-2026-61559: Server-Side Request Forgery (SSRF)

@zereight/mcp-gitlab is a Model Context Protocol server for GitLab. Starting in version 0.0.1 and prior to version 2.1.27, when the environment variable ENABLEDYNAMICAPIURL=true is set, the server reads the X-GitLab-API-URL HTTP request header and uses it as the base URL for all outbound GitLab A...

CVE-2026-61568: Reliance on Reverse DNS Resolution for a Security-Critical Action

@zereight/mcp-gitlab is a Model Context Protocol server for GitLab. Versions prior to 2.1.30 expose the Streamable HTTP MCP endpoint without an effective Host or Origin allowlist. A malicious web page can use DNS rebinding to route browser requests to a victim's local MCP listener while preservin...