CVE-2025-57817 Fides Webserver API is Vulnerable to OAuth Client Privilege Escalation

What is CVE-2025-57817?

CVE-2025-57817 is a high-severity vulnerability in ethyca fides, published on 8 Sep 2025. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

Fides is an open-source privacy engineering platform. Prior to version 2.69.1, the OAuth client creation and update endpoints of the Fides Webserver API do not properly authorize scope assignment. This allows highly privileged users with `client:create` or `client:update` permissions to escalate their privileges to owner-level. Version 2.69.1 fixes the issue. No known workarounds are available.

Weakness: CWE-862

Which versions are affected by CVE-2025-57817?

3 open source packages ship an affected version, including ethyca-fides. It affects 1 product.

Products include Ethyca Fides.

How do I fix CVE-2025-57817?

Upgrade ethyca-fides to 2.69.1 or later.

Is CVE-2025-57817 being exploited?

There is no known exploitation of CVE-2025-57817 in the wild and no public exploit code.

Other vulnerabilities in ethyca fides

• CVE-2024-45053 Remote Code Execution Vulnerability via SSTI in Fides Webserver Jinja Email Templating Engine Critical 9.1
• CVE-2023-41319 Remote Code Execution in Custom Integration Upload in Fides High 8.8
• CVE-2023-48224 Cryptographically Weak Generation of One-Time Codes for Identity Verification in ethyca-fides High 8.2
• CVE-2023-46124 Server-Side Request Forgery Vulnerability in Custom Integration Upload High 8.2
• CVE-2023-36827 Fides vulnerable to Path Traversal in Webserver API High 7.5

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-hjfh-p8f5-24wr, PYSEC-2026-1343.