Identity Server
CVE-2025-12107
HIGH
Severity by source
AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Lifecycle Timeline
2DescriptionCVE.org
Due to the use of a vulnerable third-party Velocity template engine, a malicious actor with admin privilege may inject and execute arbitrary template syntax within server-side templates.
Successful exploitation of this vulnerability could allow a malicious actor with admin privilege to inject and execute arbitrary template code on the server, potentially leading to remote code execution, data manipulation, or unauthorized access to sensitive information.
AnalysisAI
Identity Server versions up to 5.11.0 contains a vulnerability that allows attackers to a malicious actor with admin privilege to inject and execute arbitrary template (CVSS 8.4).
Technical ContextAI
affects Identity Server. Due to the use of a vulnerable third-party Velocity template engine, a malicious actor with admin privilege may inject and execute arbitrary template syntax within server-side templates.
Successful exploitation of this vulnerability could allow a malicious actor with admin privilege to inject and execute arbitrary template code on the server, potentially leading to remote code execution, data manipulation, or unauthorized access to sensitive information.
RemediationAI
Monitor vendor advisories for a patch.
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External POC / Exploit Code
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