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CVE-2026-40320— Giskard has an Unsandboxed Jinja2 Template Rendering in ConformityCheck

Quick assessment

Affected
Giskard-AI giskard-oss
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Giskard是Giskard开源的一个人工智能系统的评估与测试框架。 Giskard 1.0.2b1之前版本存在安全漏洞，该漏洞源于ConformityCheck类通过Jinja2模板引擎渲染规则参数，可能导致任意代码执行。

AI Predicted 7.5 Difficulty: Moderate EPSS 0.21% · P11

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-40320

Vulnerability Information
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Vulnerability Title
Giskard has an Unsandboxed Jinja2 Template Rendering in ConformityCheck
Source: CVE Program / CVE List V5
Vulnerability Description
Giskard is an open-source testing framework for AI models. In versions prior to 1.0.2b1, the ConformityCheck class rendered the rule parameter through Jinja2's default Template() constructor, silently interpreting template expressions at runtime. If check definitions are loaded from an untrusted source, a crafted rule string could achieve arbitrary code execution. Exploitation requires write access to a check definition and subsequent execution of the test suite. This issue has been fixed in giskard-checks version 1.0.2b1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:L
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1336
Source: CVE Program / CVE List V5
Vulnerability Title
Giskard 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Giskard是Giskard开源的一个人工智能系统的评估与测试框架。 Giskard 1.0.2b1之前版本存在安全漏洞，该漏洞源于ConformityCheck类通过Jinja2模板引擎渲染规则参数，可能导致任意代码执行。
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
Giskard-AI giskard-oss < 1.0.2b1 -

II. Public POCs for CVE-2026-40320

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III. Intelligence Information for CVE-2026-40320

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IV. Related Vulnerabilities

Same product: giskard-oss
Same vendor: Giskard-AI
Same weakness: CWE-1336