CVE-2026-21227 Azure Logic Apps Elevation of Privilege Vulnerability

High 8.2 Published 22 Jan 2026 Updated 30 Jul 2026

An attacker can exploit a path traversal flaw in Azure Logic Apps to elevate privileges over the network.

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-2026-21227?

CVE-2026-21227 is a high-severity path traversal vulnerability in Microsoft Azure Logic Apps, published on 22 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Improper limitation of a pathname to a restricted directory ('path traversal') in Azure Logic Apps allows an unauthorized attacker to elevate privileges over a network.

Weakness: CWE-22

Which versions are affected by CVE-2026-21227?

It affects 1 product.

Products include Microsoft Azure Logic Apps.

How do I fix CVE-2026-21227?

No fix has been published for CVE-2026-21227 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2026-21227 being exploited?

There is no known exploitation of CVE-2026-21227 in the wild and no public exploit code.

Sources

Also known as GHSA-3xjj-vfrx-ch8r.