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Azure CVE-2026-21227

HIGH
Path Traversal (CWE-22)
2026-01-22 secure@microsoft.com
Azure Path Traversal Azure Logic Apps
8.2
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
8.2 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
Low
Availability
None

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
CVE Published
Jan 22, 2026 - 23:15 nvd
HIGH 8.2

DescriptionCVE.org

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.

AnalysisAI

Privilege escalation in Azure Logic Apps results from improper path validation, enabling remote attackers to gain elevated access without authentication or user interaction. Organizations using Azure Logic Apps are at risk of unauthorized privilege elevation through network-based attacks, with no available patch currently provided.

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Send crafted path traversal request
Exploit
Bypass directory restrictions in Logic Apps
Execution
Access restricted files
Impact
Escalate privileges over network
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Vulnerability AssessmentAI

Exploitation No special conditions — remote unauthenticated exploitation against default configurations of Azure Logic Apps accessible over network with path traversal vulnerability enabled. Additional conditions and limiting factors are described in the full assessment.
Risk Assessment CVSS 8.2 (HIGH). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario A remote attacker without authentication could exploit this vulnerability to compromise the affected system.
Remediation Monitor vendor advisories for a patch. … Detailed patch versions, workarounds, and compensating controls in full report.
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Recommended ActionAI

Within 24 hours: Inventory all Azure Logic Apps instances in your environment and assess which are internet-facing or process sensitive data. …

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Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-21227 vulnerability details – vuln.today
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