> CVE-2026-55188 [HIGH]

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PUBLISHED
2026-06-26 20:17
MODIFIED
2026-06-26 20:20
CVSS_SCORE V3
8.2
EPSS (Prob. Exploit)
0.30%
Top 78.8%
DATA SOURCES:
NVD 🔗 2026-06-26 CWE MITRE 🔗 2026-11-01 FIRST EPSS 🔗 2026-10-25

> DESCRIPTION

RustFS is a distributed object storage system built in Rust. From 1.0.0-alpha.1 until 1.0.0-beta.9, RustFS contains an authorization bypass in the bucket replication admin API. The ListRemoteTargetHandler handler for listing remote replication targets only checks whether request credentials exist, but does not verify that the caller has replication or administrator permissions. As a result, an authenticated user with no effective bucket or admin permissions can list remote replication target configuration for a bucket. Because the returned BucketTarget objects include remote target credentials, this can disclose replication access keys and secret keys. This vulnerability is fixed in 1.0.0-beta.9.

> 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:L/UI:N/S:C/C:H/I:H/A:N
EXPLOITABILITY
1.8
IMPACT
5.8

> MÉTRIQUES CVSS DÉTAILLÉES

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/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
Low (L)
Authentifié avec compte utilisateur basique
UI (Interaction Utilisateur)
User Interaction
None (N)
Aucune interaction utilisateur nécessaire
S (Périmètre)
Scope
Changed (C)
Impact s'étend au-delà 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-200 CWE-522 CWE-862 CWE-863

> CWE DETAILED DESCRIPTIONS

CWE-200: Exposure of Sensitive Information to an Unauthorized Actor - The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. | CWE-522: Insufficiently Protected Credentials - The product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval. | CWE-862: Missing Authorization - The product does not perform an authorization check when an actor attempts to access a resource or perform an action. | 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.

> HISTORIQUE DES MODIFICATIONS

Première apparition
26/06/2026 20:17
Source: NVD
📊 ENRICHISSEMENT 01/07/2026 06:01
CWE
Champ modifié: Description CWE
Ancienne valeur:
N/A
Nouvelle valeur:
CWE-200: Exposure of Sensitive Information to an Unauthorized Actor - The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. | CWE-...
Total des modifications: 1 Dernière mise à jour: 4 months ago

> REFERENCES

https://github.com/rustfs/rustfs/security/advisories/GHSA-796f-j7xp-hwf4
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