CVE-2024-45053: Remote Code Execution Vulnerability via SSTI in Fides Webserver Jinja Email Templating Engine

Severity: high (CVSS 7.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2024-09-04 · updated 2026-06-17
Weakness: CWE-1336

Description

Fides is an open-source privacy engineering platform. Starting in version 2.19.0 and prior to version 2.44.0, the Email Templating feature uses Jinja2 without proper input sanitization or rendering environment restrictions, allowing for Server-Side Template Injection that grants Remote Code Execution to privileged users. A privileged user refers to an Admin UI user with the default `Owner` or `Contributor` role, who can escalate their access and execute code on the underlying Fides Webserver container where the Jinja template rendering function is executed. The vulnerability has been patched in Fides version `2.44.0`. Users are advised to upgrade to this version or later to secure their systems against this threat. There are no workarounds.

Affected products

ethyca fides: from 2.19.0 before 2.44.0 — fixed in 2.44.0

How to fix

Upgrade to a fixed version: ethyca fides 2.44.0. Check the vendor advisory for mitigations.

References

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