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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.

PUBLISHED Reserved 2026-04-10 | Published 2026-04-17 | Updated 2026-04-20 | Assigner GitHub_M




MEDIUM: 5.4CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:L

Problem types

CWE-1336: Improper Neutralization of Special Elements Used in a Template Engine

Product status

< 1.0.2b1
affected

References

github.com/...rd-oss/security/advisories/GHSA-7xjm-g8f4-rp26

github.com/...skard-oss/releases/tag/giskard-checks/v1.0.2b1

cve.org (CVE-2026-40320)

nvd.nist.gov (CVE-2026-40320)

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