CVE-2026-32211 Azure MCP Server Information Disclosure Vulnerability
An unauthorized attacker can disclose sensitive information from Azure MCP Server due to missing authentication on a critical function.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-32211?
CVE-2026-32211 is a critical missing authorization vulnerability in Microsoft Azure Web Apps, published on 2 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Missing authentication for critical function in Azure MCP Server allows an unauthorized attacker to disclose information over a network.
Weakness: CWE-306
Which versions are affected by CVE-2026-32211?
It affects 1 product.
Products include Microsoft Azure Web Apps.
How do I fix CVE-2026-32211?
No fix has been published for CVE-2026-32211 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-32211 being exploited?
There is no known exploitation of CVE-2026-32211 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Azure Web Apps
Sources
Also known as GHSA-5w7p-v6h9-q8c5.