> CVE-2026-42303 [MEDIUM]

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PUBLISHED
2026-05-12 18:17
MODIFIED
2026-05-12 18:17
CVSS_SCORE V3
6.1
EPSS (Prob. Exploit)
0.55%
Top 54.7%
DATA SOURCES:
NVD 🔗 2026-05-12 CWE MITRE 🔗 2026-11-01 FIRST EPSS 🔗 2026-10-25 GITHUB 🔗 2026-11-05 OSV 🔗 2026-11-02

> DESCRIPTION

Fides 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.

> AFFECTED_PRODUCTS

ℹ️ Aucun produit affecté n'a encore été publié par NVD pour cette CVE.

> CVSS V3 METRICS

CVSS_VECTOR
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

> MÉTRIQUES CVSS DÉTAILLÉES

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
Métrique Valeur Interprétation
AV (Vecteur d'Attaque)
Attack Vector
Network (N)
Exploit possible à distance via réseau (HTTP, API, etc.)
AC (Complexité d'Attaque)
Attack Complexity
Low (L)
Peu de conditions requises pour exploiter
PR (Privilèges Requis)
Privileges Required
None (N)
Aucune authentification requise
UI (Interaction Utilisateur)
User Interaction
Required (R)
Nécessite une action utilisateur (clic lien, ouverture fichier, etc.)
S (Périmètre)
Scope
Unchanged (U)
Impact reste dans le périmètre du composant compromis
C (Impact Confidentialité)
Confidentiality Impact
None (N)
Aucune divulgation d'informations
I (Impact Intégrité)
Integrity Impact
Low (L)
Modification limitée des données possible
A (Impact Disponibilité)
Availability Impact
None (N)
Aucune interruption de service

> RÉSUMÉ DES IMPACTS

Confidentialité
None
Aucune divulgation d'informations
Intégrité
Low
Modification limitée des données possible
Disponibilité
None
Aucune interruption de service

> WEAKNESSES

CWE-288 CWE-306 CWE-841

> CWE DETAILED DESCRIPTIONS

CWE-288: Authentication Bypass Using an Alternate Path or Channel - The product requires authentication, but the product has an alternate path or channel that does not require authentication. | CWE-306: Missing Authentication for Critical Functionality - The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. | CWE-841: Improper Enforcement of Behavioral Workflow - The product supports a session in which more than one behavior must be performed by an actor, but it does not properly ensure that the actor performs the behaviors in the required sequence or timeframe.

> GITHUB SECURITY ADVISORY

GHSA-qx5f-ghc2-7g5c MODERATE

Ethyca Fides has a Privacy Request Identity Verification Bypass Vulnerability via Duplicate Detection

AFFECTED PACKAGES:
PIP / ethyca-fides
>= 2.75.0, < 2.83.2
Fixed in: 2.83.2

> OSV (GOOGLE OPEN SOURCE VULNERABILITIES)

Fides: Privacy Request Identity Verification Bypass Vulnerability via Duplicate Detection

AFFECTED PACKAGES:
Unknown / Unknown
ALIASES:
GHSA-qx5f-ghc2-7g5c, PYSEC-2026-2471

> HISTORIQUE DES MODIFICATIONS

Première apparition
12/05/2026 18:17
Source: NVD
📊 ENRICHISSEMENT 01/11/2026 06:59
CWE
Champ modifié: Description CWE
Ancienne valeur:
CWE-288: Authentication Bypass Using an Alternate Path or Channel - The product requires authentication, but the product has an alternate path or channel that does not require authentication. | CWE-30...
Nouvelle valeur:
CWE-288: Authentication Bypass Using an Alternate Path or Channel - The product requires authentication, but the product has an alternate path or channel that does not require authentication. | CWE-30...
📊 ENRICHISSEMENT 01/06/2026 06:01
CWE
Champ modifié: Description CWE
Ancienne valeur:
N/A
Nouvelle valeur:
CWE-288: Authentication Bypass Using an Alternate Path or Channel - The product requires authentication, but the product has an alternate path or channel that does not require authentication. | CWE-30...
Total des modifications: 2 Dernière mise à jour: 6 days ago

> REFERENCES

https://github.com/ethyca/fides/commit/0e320b20934eb5af3a3d5127dba2691605d7ff37
https://github.com/ethyca/fides/commit/e7a6527b0f9fdc9887b86a89bb5453e7421882dd
https://github.com/ethyca/fides/pull/7971
https://github.com/ethyca/fides/pull/7972
https://github.com/ethyca/fides/releases/tag/2.83.2
https://github.com/ethyca/fides/security/advisories/GHSA-qx5f-ghc2-7g5c
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