Advisories for Pypi/Giskard-Checks package

2026

Giskard has Unsandboxed Jinja2 Template Rendering in ConformityCheck

The ConformityCheck class in giskard-checks rendered the rule parameter through Jinja2's default Template() constructor. Because the rule string is silently interpreted as a Jinja2 template, a developer may not realize that template expressions embedded in rule definitions are evaluated at runtime. In a scenario where check definitions are loaded from an untrusted source (e.g. a shared project file or externally contributed configuration), this could lead to arbitrary code execution. giskard-checks …

Giskard has a Regular Expression Denial of Service (ReDoS) in RegexMatching Check

The RegexMatching check in the giskard-checks package passes a user-supplied regular expression pattern directly to Python's re.search() without any timeout, complexity guard, or pattern validation. An attacker who can control the regex pattern or the text being matched can craft inputs that trigger catastrophic backtracking in the regex engine, causing the process to hang indefinitely and denying service to all other operations. giskard-checks is a local developer testing library. Check …