---
title: "CVE-2026-54547: Meta Ads MCP - Broken Access Control"
description: "Meta Ads MCP < 1.0.115 contains a broken access control vulnerability caused by improper authentication token validation in AuthInjectionMiddleware, letting network attackers execute MCP tools with operator's Meta credentials, exploit requires use of streamable-http transport and presence of META_ACCESS_TOKEN."
url: https://panop.io/threat-heartbeat/CVE-2026-54547/
---

# CVE-2026-54547 Meta Ads MCP - Broken Access Control

Meta Ads MCP < 1.0.115 contains a broken access control vulnerability caused by improper authentication token validation in AuthInjectionMiddleware, letting network attackers execute MCP tools with operator's Meta credentials, exploit requires use of streamable-http transport and presence of META\_ACCESS\_TOKEN.

CVSS base score 7.4 /10

High

CISA KEV

Not listed

Public exploit

None known

EPSS

0.52% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-54547)

## Details

Type

Broken Access Control

Impact

Broken Access Control, Data Tampering, Information Disclosure

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Published

15 September 2026

Updated

15 October 2026

Weakness

[CWE-287](https://cwe.mitre.org/data/definitions/287.html)

## Vendor fix

Update to version 1.0.115 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-54547](https://nvd.nist.gov/vuln/detail/CVE-2026-54547)
- [https://github.com/pipeboard-co/meta-ads-mcp/releases/tag/1.0.115](https://github.com/pipeboard-co/meta-ads-mcp/releases/tag/1.0.115)
- [https://github.com/pipeboard-co/meta-ads-mcp/security/advisories/GHSA-2v2f-mvfg-ph56](https://github.com/pipeboard-co/meta-ads-mcp/security/advisories/GHSA-2v2f-mvfg-ph56)
- [https://github.com/pipeboard-co/meta-ads-mcp/commit/95e852793b7ff8604a8132e85d5facd08c91a36e](https://github.com/pipeboard-co/meta-ads-mcp/commit/95e852793b7ff8604a8132e85d5facd08c91a36e)
- [https://github.com/pipeboard-co/meta-ads-mcp/pull/137](https://github.com/pipeboard-co/meta-ads-mcp/pull/137)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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