CVE-2026-18632 is a medium severity vulnerability affecting langgenius dify versions 1.14.0, 1.14.1, and 1.14.2. It involves improper neutralization of special elements used in the Jinja2 template engine, specifically in the jinja2.Template function of the Jinja2 Handler component. This flaw may allow remote attackers to manipulate template processing, potentially leading to unintended code execution or data exposure. The vulnerability is publicly disclosed with exploit code available, but no official vendor remediation or patch has been released as of the publication date.

The vulnerability allows remote attackers to exploit improper neutralization in the template engine, which may lead to unauthorized code execution or data manipulation within the affected application. The CVSS 4.0 base score is 5.3 (medium), indicating a moderate risk with network attack vector, low complexity, and no user interaction required. The vendor has not issued a fix or mitigation guidance, increasing exposure risk.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since the vendor has not responded or released a fix, users should consider applying additional controls such as restricting network access to the affected service, monitoring for suspicious template usage, or temporarily disabling vulnerable functionality if feasible until an official patch is available.