CVE-2026-18632— langgenius dify Jinja2 jinja2_transformer.py jinja2.Template special elements used in a template engine
Possible ATT&CK Techniques 1AI
T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 3
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| langgenius | dify | 1.14.0 | affected |
1.14.1 | affected | ||
1.14.2 | affected |
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I. Basic Information for CVE-2026-18632
Vulnerability Information
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Vulnerability Title
langgenius dify Jinja2 jinja2_transformer.py jinja2.Template special elements used in a template engine
Source: CVE Program / CVE List V5
Vulnerability Description
A security flaw has been discovered in langgenius dify up to 1.14.2. This issue affects the function jinja2.Template of the file api/core/helper/code_executor/jinja2/jinja2_transformer.py of the component Jinja2 Handler. The manipulation results in improper neutralization of special elements used in a template engine. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1336
Source: CVE Program / CVE List V5
Vulnerability Title
LangGenius dify 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
LangGenius dify是LangGenius公司开源的一个LLM应用程序开发平台。 LangGenius dify 1.14.2及之前版本存在安全漏洞，该漏洞源于api/core/helper/code_executor/jinja2/jinja2_transformer.py文件中jinja2.Template函数对模板引擎中使用的特殊元素中和不当，可能导致远程代码注入。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| langgenius | dify | 1.14.0 | cpe:2.3:a:langgenius:dify:*:*:*:*:*:*:*:* |
II. Public POCs for CVE-2026-18632
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2026-18632 (1)
IV. Related Vulnerabilities
Same product: dify
- CVE-2026-18266
Dify AI Workflow oauth_redirect_url Open Redirect Vulnerabil - CVE-2026-61461
Dify < 1.16.0-rc1 SQL Injection via MyScale Vector Store sea - CVE-2026-41949
Dify < 1.14.2 Authorization Bypass via File Preview Endpoint - CVE-2026-41948
Dify v1.14.1 Path Traversal via Plugin Daemon Internal API A - CVE-2026-41947
Dify < 1.14.2 Authorization Bypass via Trace Configuration E
Same vendor: langgenius
- CVE-2026-18266
Dify AI Workflow oauth_redirect_url Open Redirect Vulnerabil - CVE-2026-61461
Dify < 1.16.0-rc1 SQL Injection via MyScale Vector Store sea - CVE-2026-41949
Dify < 1.14.2 Authorization Bypass via File Preview Endpoint - CVE-2026-41948
Dify v1.14.1 Path Traversal via Plugin Daemon Internal API A - CVE-2026-41947
Dify < 1.14.2 Authorization Bypass via Trace Configuration E
Same weakness: CWE-1336
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Bolt CMS Server-Side Template Injection via Unsandboxed allo - CVE-2026-71286
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DjangoCRM: Server-Side Template Injection in Mass Mail Messa - CVE-2026-48323
Adobe Campaign Classic (ACC) | Improper Neutralization of Sp - CVE-2026-9177
Server-Side Template Injection in SecureTransport's Apache V
V. Comments for CVE-2026-18632
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