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Meta Ads MCP Server Vulnerable to SSRF and Auth Bypass

Two critical vulnerabilities, CVE-2026-54547 and CVE-2026-54549, have been identified in the Meta Ads MCP server, each with a severity score of 7.4. The first vulnerability allows for server-side request forgery by exploiting a URL parameter that is fetched without proper validation, enabling an attacker to influence where the server connects. The second vulnerability stems from an authorization middleware that incorrectly handles authentication tokens, failing to properly read a primary token and thus allowing unauthorized requests. These issues highlight the importance of validating all tool arguments that become network requests and ensuring middleware correctly processes credentials. AI

IMPACT These vulnerabilities in the Meta Ads MCP server could allow attackers to compromise ad campaign data or redirect server requests, impacting ad delivery and potentially leading to data breaches.

RANK_REASON Security vulnerabilities discovered in a specific server product.

Read on dev.to — MCP tag →

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Meta Ads MCP Server Vulnerable to SSRF and Auth Bypass

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Tool
Security vulnerabilities discovered in a specific server product.
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product, safety
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1 days old
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COVERAGE [1]

  1. dev.to — MCP tag TIER_1 English(EN) · jeffrey ·

    When the model supplies the parameter: CVE-2026-54547 and CVE-2026-54549 in the Meta Ads MCP server

    <h1> When the model supplies the parameter: CVE-2026-54547 and CVE-2026-54549 in the Meta Ads MCP server </h1> <p>Two advisories affect the Meta Ads MCP server, scored 7.4 each. One concerns a URL parameter that the server fetches. The other concerns an authorization check that r…