CVE-2026-81349 Azure HDInsight Ambari Elevation of Privilege Vulnerability
An authorized attacker can execute arbitrary OS commands to elevate privileges in Azure HDInsight via improper neutralization of special elements.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-81349?
CVE-2026-81349 is a high-severity command injection vulnerability in Microsoft Azure HDInsight, published on 8 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Improper neutralization of special elements used in an os command ('os command injection') in Azure HDInsights allows an authorized attacker to elevate privileges over a network.
Weakness: CWE-78
Which versions are affected by CVE-2026-81349?
It affects 1 product.
Products include Microsoft Azure Hdinsight.
How do I fix CVE-2026-81349?
No fix has been published for CVE-2026-81349 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-81349 being exploited?
There is no known exploitation of CVE-2026-81349 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Azure HDInsight
- CVE-2023-36419 Azure HDInsight Apache Oozie Workflow Scheduler XXE Elevation of Privilege Vulnerability
- CVE-2023-38156 Azure HDInsight Apache Ambari JDBC Injection Elevation of Privilege Vulnerability
- CVE-2026-21529 Azure HDInsight Spoofing Vulnerability
- CVE-2023-35394 Azure HDInsight Jupyter Notebook Spoofing Vulnerability
- CVE-2023-35393 Azure Apache Hive Spoofing Vulnerability
Sources
Also known as GHSA-3mwh-c6rp-4w29.