Vulnerability in WSO2 Server's Template Engine Exposes Sensitive Data to Attackers
CVE-2025-12107

10CRITICAL

Key Information:

Vendor

Wso2

Status
Wso2 Identity Server
Vendor
CVE Published:
19 February 2026

What is CVE-2025-12107?

A vulnerability in WSO2 Server's implementation of the third-party Velocity template engine allows administrators to execute arbitrary template syntax on the server. An attacker with admin privileges can leverage this flaw to inject malicious code, potentially leading to unauthorized data manipulation, remote code execution, and exposure of sensitive information.

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Affected Version(s)

WSO2 Identity Server 5.11.0.130 < 5.11.0.299

References

https://security.docs.wso2.com/en/latest/security-announc...
vendor-advisory

CVSS V3.1

Score:
10
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Robert Raducioiu
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