Fides: Privacy Request Identity Verification Bypass Vulnerability via Duplicate Detection

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Summary

CVECVE-2026-42303
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-12 18:17:24 UTC
Updated2026-05-12 19:16:33 UTC
DescriptionFides is an open-source privacy engineering platform. From 2.75.0 to before 2.83.2, Fides deployments that enable both subject identity verification and duplicate privacy request detection are affected by a vulnerability in which an administrator can approve a privacy request whose identity was never verified. For erasure policies, this can result in unauthorized deletion of a data subject's records across every integration configured in the affected deployment. This vulnerability is fixed in 2.83.2.

Risk And Classification

Primary CVSS: v4.0 6.1 MEDIUM from [email protected]

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Problem Types: CWE-288 | CWE-306 | CWE-841 | CWE-288 CWE-288: Authentication Bypass Using an Alternate Path or Channel | CWE-306 CWE-306: Missing Authentication for Critical Function | CWE-841 CWE-841: Improper Enforcement of Behavioral Workflow

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary6.1MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:H/SA:N/E:X/C...
4.0CNADECLARED6.1MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:H/SA:N

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
Active
Confidentiality
None
Integrity
Low
Availability
None
Sub Conf.
None
Sub Integrity
High
Sub Availability
None

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Ethyca Fides affected >= 2.75.0, < 2.83.2 Not specified

References

ReferenceSourceLinkTags
github.com/ethyca/fides/security/advisories/GHSA-qx5f-ghc2-7g5c 134c704f-9b21-4f2e-91b3-4a467353bcc0 github.com
github.com/ethyca/fides/pull/7971 [email protected] github.com
github.com/ethyca/fides/releases/tag/2.83.2 [email protected] github.com
github.com/ethyca/fides/pull/7972 [email protected] github.com
github.com/ethyca/fides/commit/0e320b20934eb5af3a3d5127dba2691605d7ff37 [email protected] github.com
github.com/ethyca/fides/commit/e7a6527b0f9fdc9887b86a89bb5453e7421882dd [email protected] github.com
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