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CVE-2026-61559

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

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`@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 `ENABLE_DYNAMIC_API_URL=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 API calls made within that request. The server validates that the value is a well-formed URL (`new URL(dynamicApiUrl)`) but applies no allowlist or hostname restriction. The server then attaches the victim's `Private-Token` to every outbound fetch that uses the redirected URL. Any caller who can reach the HTTP transport can set `X-GitLab-API-URL` to an attacker-controlled host. The next GitLab API call the server makes delivers the victim's token to that host. Version 2.1.27 contains a patch.

CVSS 9.6 · Critique · EPSS 0,4% · Correctif disponible

Publication
Mise à jour

Pile logicielle: node

Produits et versions concernés

  • gitlab-mcp

    Versions du logiciel
    • >= 0.0.1, < 2.1.27: Concernée

    Aucun correctif publié

  • @zereight/mcp-gitlab npm

    Plages de versions concernées
    • SEMVER: ≥ 0.0.1, < 2.1.27

    Mettez à jour vers 2.1.27

Sources originales

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