CVE-2025-57816: Fides is an open-source privacy engineering platform

Q: How do I fix CVE-2025-57816?

fides: upgrade to 2.69.1. Exact commands for each OS are on this page.

Q: Is CVE-2025-57816 being exploited?

CVE-2025-57816 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-57816 affect?

CVE-2025-57816 affects fides. Severity is high (CVSS 7.5). Fides is an open-source privacy engineering platform. Prior to version 2.69.1, the Fides Webserver API's built-in IP-based rate limiting is ineffective in environments with CDNs, proxies or load balancers. The system incorrectly applies rat

Q: How urgent is CVE-2025-57816?

Priority 41/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 7.5REMOTEUPGRADE

CVE-2025-57816 is a high-severity flaw (CVSS 7.5) affecting fides. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Fides is an open-source privacy engineering platform. Prior to version 2.69.1, the Fides Webserver API's built-in IP-based rate limiting is ineffective in environments with CDNs, proxies or load balancers. The system incorrectly applies rate limits based on directly connected infrastructure IPs rather than client IPs, and stores counters in-memory rather than in a shared store. This allows attackers to bypass intended rate limits and potentially

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 62%)
CISA exploited list	No
Weakness	CWE-799
Published	2025-09-08
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: ethyca

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-09-08 22:15 UTCPublished CVE record published
2026-06-17 09:43 UTCUpdated Record last modified

ethyca fides UPGRADE

Affected: < 2.69.1

Fixed in: 2.69.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy fides || rpm -q fides || fides --version

2. UPGRADE to 2.69.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade fides

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade fides

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-57816?

fides: upgrade to 2.69.1. Exact commands for each OS are on this page.

Is CVE-2025-57816 being exploited?

CVE-2025-57816 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-57816 affect?

CVE-2025-57816 affects fides. Severity is high (CVSS 7.5). Fides is an open-source privacy engineering platform. Prior to version 2.69.1, the Fides Webserver API's built-in IP-based rate limiting is ineffective in environments with CDNs, proxies or load balancers. The system incorrectly applies rat

How urgent is CVE-2025-57816?

Priority 41/100. High severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2025-57817 HIGH 7.2 UPGRADE Fides is an open-source privacy engineering platform
CVE-2025-57815 MEDIUM 6.5 UPGRADE Fides is an open-source privacy engineering platform
CVE-2025-57766 MEDIUM 4.8 UPGRADE Fides is an open-source privacy engineering platform
CVE-2024-52008 HIGH 8.8 UPGRADE Fides is an open-source privacy engineering platform
CVE-2024-45053 CRITICAL 9.1 UPGRADE Fides is an open-source privacy engineering platform

References

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