CVE-2026-21227: CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in Microsoft Azure Logic Apps
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.
AI Analysis
Technical Summary
CVE-2026-21227 is a CWE-22 path traversal vulnerability affecting Microsoft Azure Logic Apps. The flaw allows an attacker to bypass pathname restrictions to access unauthorized directories, potentially leading to privilege escalation over the network. The vulnerability is rated high severity (CVSS 8.2) and affects the Azure Logic Apps cloud service. Microsoft has released an official fix and manages remediation for this cloud-hosted service.
Potential Impact
Successful exploitation of this vulnerability could allow an unauthorized attacker to elevate privileges within Azure Logic Apps, potentially compromising confidentiality and integrity of data. The CVSS vector indicates high confidentiality impact, low integrity impact, and no availability impact.
Mitigation Recommendations
Microsoft has provided an official fix for this vulnerability. As Azure Logic Apps is a cloud service, Microsoft manages the remediation server-side. Users should refer to the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21227 for confirmation of patch deployment and further guidance.
CVE-2026-21227: CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in Microsoft Azure Logic Apps
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.
CVSS v3.1
Score 8.2high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-21227 is a CWE-22 path traversal vulnerability affecting Microsoft Azure Logic Apps. The flaw allows an attacker to bypass pathname restrictions to access unauthorized directories, potentially leading to privilege escalation over the network. The vulnerability is rated high severity (CVSS 8.2) and affects the Azure Logic Apps cloud service. Microsoft has released an official fix and manages remediation for this cloud-hosted service.
Potential Impact
Successful exploitation of this vulnerability could allow an unauthorized attacker to elevate privileges within Azure Logic Apps, potentially compromising confidentiality and integrity of data. The CVSS vector indicates high confidentiality impact, low integrity impact, and no availability impact.
Mitigation Recommendations
Microsoft has provided an official fix for this vulnerability. As Azure Logic Apps is a cloud service, Microsoft manages the remediation server-side. Users should refer to the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21227 for confirmation of patch deployment and further guidance.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2025-12-11T21:02:05.732Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Is Cloud Service
- true
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21227","vendor":"Microsoft"}]
Threat ID: 6972ad5b4623b1157c962b9a
Added to database: 01/22/2026, 23:06:03 UTC
Last enriched: 07/30/2026, 23:51:34 UTC
Last updated: 09/10/2026, 19:36:52 UTC
Views: 238
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