Fides is an open-source privacy engineering platform. The Fides webserver has a number of endpoints that retrieve ConnectionConfiguration records and their associated secrets which _can_ contain sensitive data (e.g. passwords, private keys, etc.). These secrets are stored encrypted at rest (in the application database), and the associated endpoints are not meant to expose that sensitive data in plaintext to API clients, as it could be compromising. Fides's developers have available to them a Pydantic field-attribute (sensitive) that they can annotate as True to indicate that a given secret field should not be exposed via the API. The application has an internal function that uses sensitive annotations to mask the sensitive fields with a "**" placeholder value. This vulnerability is due to a bug in that function, which prevented sensitive API model fields that were _nested_ below the root-level of a secrets object from being masked appropriately. Only the BigQuery connection configuration secrets meets these criteria: the secrets schema has a nested sensitive keyfile_creds.private_key property that is exposed in plaintext via the APIs. Connection types other than BigQuery with sensitive fields at the root-level that are not nested are properly masked with the placeholder and are not affected by this vulnerability. This vulnerability has been patched in Fides version 2.37.0. Users are advised to upgrade to this version or later to secure their systems against this threat. Users are also advised to rotate any Google Cloud secrets used for BigQuery integrations in their Fides deployments. There are no known workarounds for this vulnerability.
CVE-2024-35189
This medium-severity CVE scores 6.5 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 44% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 6.5
- EG Score
- 6.5(medium)
- EPSS
- 44.0%
- KEV
- Not listed
Published
May 30, 2024
Last Modified
October 20, 2025
References (4)
- security-advisories@githubhttps://cloud.google.com/iam/docs/key-rotation
- security-advisories@githubhttps://github.com/ethyca/fides/security/advisories/GHSA-rcvg-jj3g-rj7c
- af854a3a-2127-422b-91ae-364da2661108https://cloud.google.com/iam/docs/key-rotation
- af854a3a-2127-422b-91ae-364da2661108https://github.com/ethyca/fides/security/advisories/GHSA-rcvg-jj3g-rj7c
Affected Packages
(1 across 1 ecosystem)
PyPI(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| ethyca-fides | 1.9.9 ... 2.9.2 (305 versions) | 2.37.0 | — |
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 11× in last 7d / 46× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
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