Feb 2026: Azure DevOps Server Cross-Site Scripting Vulnerability
CVE-2026-21512 Published on February 10, 2026
Azure DevOps Server Cross-Site Scripting Vulnerability
Server-side request forgery (ssrf) in Azure DevOps Server allows an authorized attacker to perform spoofing over a network.
Weakness Type
What is a SSRF Vulnerability?
The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. By providing URLs to unexpected hosts or ports, attackers can make it appear that the server is sending the request, possibly bypassing access controls such as firewalls that prevent the attackers from accessing the URLs directly. The server can be used as a proxy to conduct port scanning of hosts in internal networks, use other URLs such as that can access documents on the system (using file://), or use other protocols such as gopher:// or tftp://, which may provide greater control over the contents of requests.
CVE-2026-21512 has been classified to as a SSRF vulnerability or weakness.
Products Associated with CVE-2026-21512
Want to know whenever a new CVE is published for Microsoft Azure Devops Server 2022? stack.watch will email you.
Affected Versions
Microsoft Azure DevOps Server 2022:- Version 20230131.0 and below 20260204.3 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.