CVE-2026-57476

Deloitte AI Assist for Customer exposed unauthenticated API endpoints that allowed an attacker with knowledge of additional parameters to read from or inject content into the retrieval-augmented generation (RAG) corpus. On 2026-03-25, AI Assist for Customer restricted network access and enforced authentication for the previously exposed endpoints.

CVSS v3 4.8 MEDIUM

4.8^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.2 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-191-01.json	Technical Description
https://www.cve.org/CVERecord?id=CVE-2026-57476
https://zerotolerance.me/advisories/assets/VU487875-deloitte-ascend-advisory.pdf	Third Party Advisory
https://zerotolerance.me/advisories/deloitte-aiassist-ascend-2026-vu487875/	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:deloitte:ai_assist_for_customer:*:*:*:*:*:*:*:*

History

25 Oct 2026, 15:10

Type	Values Removed	Values Added
Summary		(es) Deloitte AI Assist para Clientes expuso puntos finales de API no autenticados que permitían a un atacante con conocimiento de parámetros adicionales leer o inyectar contenido en el corpus de generación aumentada por recuperación (RAG). El 25-03-2026, AI Assist para Clientes restringió el acceso a la red y aplicó la autenticación para los puntos finales previamente expuestos.

Information

Published : 2026-07-10 18:16

Updated : 2026-10-25 15:10

NVD link : CVE-2026-57476

Mitre link : CVE-2026-57476

CVE.ORG link : CVE-2026-57476

JSON object : View

Products Affected

deloitte

ai_assist_for_customer

CWE

CWE-306

Missing Authentication for Critical Function

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