> CVE-2026-55672 [HIGH]

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PUBLISHED
2026-07-10 18:16
MODIFIED
2026-07-10 18:56
CVSS_SCORE V3
7.4
EPSS (Prob. Exploit)
0.43%
Top 63.4%
DATA SOURCES:
NVD đź”— 2026-07-10 CWE MITRE đź”— 2026-11-01 FIRST EPSS đź”— 2026-10-25 GITHUB đź”— 2026-10-29 OSV đź”— 2026-07-16

> DESCRIPTION

ZITADEL is an open source identity management platform. Prior to 3.4.12 and 4.15.2, ZITADEL's OAuth2 and OIDC CodeExchange, RefreshToken, and device token flows fail to verify that the requesting client matches the client that initiated the authorization flow, allowing intercepted grants or refresh tokens to be exchanged under a different client. This issue is fixed in versions 3.4.12 and 4.15.2.

> AFFECTED_PRODUCTS

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

> CVSS V3 METRICS

CVSS_VECTOR
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
EXPLOITABILITY
2.2
IMPACT
5.2

> MÉTRIQUES CVSS DÉTAILLÉES

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
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
High (H)
Conditions spécifiques doivent être réunies pour exploiter
PR (Privilèges Requis)
Privileges Required
None (N)
Aucune authentification requise
UI (Interaction Utilisateur)
User Interaction
None (N)
Aucune interaction utilisateur nécessaire
S (Périmètre)
Scope
Unchanged (U)
Impact reste dans le périmètre du composant compromis
C (Impact Confidentialité)
Confidentiality Impact
High (H)
Divulgation totale d'informations
I (Impact Intégrité)
Integrity Impact
High (H)
Modification totale des données possible
A (Impact Disponibilité)
Availability Impact
None (N)
Aucune interruption de service

> RÉSUMÉ DES IMPACTS

Confidentialité
High
Divulgation totale d'informations
Intégrité
High
Modification totale des données possible
Disponibilité
None
Aucune interruption de service

> WEAKNESSES

CWE-287 CWE-863

> CWE DETAILED DESCRIPTIONS

CWE-287: Improper Authentication - When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. | CWE-863: Incorrect Authorization - The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.

> GITHUB SECURITY ADVISORY

GHSA-xqxv-4jc2-x56x HIGH

ZITADEL: Missing client_id binding in OIDC authorization code exchange and refresh token flows (RFC 6749 Section 4.1.3 violation)

AFFECTED PACKAGES:
GO / github.com/zitadel/zitadel
< 1.80.0-v2.20.0.20260616131956-0973b074b488
Fixed in: 1.80.0-v2.20.0.20260616131956-0973b074b488

> OSV (GOOGLE OPEN SOURCE VULNERABILITIES)

ZITADEL: Missing client_id binding in OIDC authorization code exchange and refresh token flows (RFC 6749 Section 4.1.3 violation)

AFFECTED PACKAGES:
Unknown / Unknown
962 versions affected
ALIASES:
GHSA-xqxv-4jc2-x56x, GO-2026-5768

> HISTORIQUE DES MODIFICATIONS

Première apparition
10/07/2026 18:16
Source: NVD
📊 ENRICHISSEMENT 01/08/2026 06:01
CWE
Champ modifié: Description CWE
Ancienne valeur:
N/A
Nouvelle valeur:
CWE-287: Improper Authentication - When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. | CWE-863: Incorrect Authorization - Th...
Total des modifications: 1 Dernière mise à jour: 3 months ago

> REFERENCES

https://github.com/zitadel/zitadel/commit/562403079a98cf2059cdac11865a45e2f285be...
https://github.com/zitadel/zitadel/commit/5b1708e0e650398f0ebc3341714f0798b01189...
https://github.com/zitadel/zitadel/releases/tag/v3.4.12
https://github.com/zitadel/zitadel/releases/tag/v4.15.2
https://github.com/zitadel/zitadel/security/advisories/GHSA-xqxv-4jc2-x56x
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