What is CVE-2026-69400?

CVE-2026-69400 is a critical-severity vulnerability in Microsoft Azure Logic Apps, classified under Path Traversal. CVSS score: 9.6/10. Published 2026-08-20.

How severe is CVE-2026-69400?

Critical severity. CVSS v3 base score is 9.6 out of 10.

Path Traversal in Microsoft Azure Logic Apps

CVE-2026-69400

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.

Vulnerability class: Path Traversal (Directory Traversal)

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

Affected products

Microsoft Azure Logic Apps

Weakness classification (CWE)

CWE-22 — Path Traversal

References

secure@microsoft.com (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-69400?: CVE-2026-69400 is a critical-severity vulnerability in Microsoft Azure Logic Apps, classified under Path Traversal. CVSS score: 9.6/10. Published 2026-08-20.
How severe is CVE-2026-69400?: Critical severity. CVSS v3 base score is 9.6 out of 10.