Auth bypass in Deloitte Ai Assist For Customer
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.
Vulnerability class: Broken Authentication
EPSS: 0.004 (36.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N.
Affected products
- Deloitte Ai Assist For Customer — versions 0, 2026-03-25
- Deloitte Ai_assist_for_customer
Weakness classification (CWE)
References
- 9119a7d8-5eab-497f-8521-727c672e3725 (Third Party Advisory, third-party-advisory)
- 9119a7d8-5eab-497f-8521-727c672e3725 (Third Party Advisory, third-party-advisory)
- 9119a7d8-5eab-497f-8521-727c672e3725 (Technical Description, third-party-advisory)
- 9119a7d8-5eab-497f-8521-727c672e3725 (Third Party Advisory, vdb-entry)
- 9119a7d8-5eab-497f-8521-727c672e3725 (vdb-entry)
Frequently asked questions
- What is CVE-2026-57476?
- CVE-2026-57476 is a medium-severity vulnerability in Deloitte Ai Assist For Customer, classified under Missing Authentication for Critical Function. CVSS score: 4.8/10. Published 2026-07-10.
- How severe is CVE-2026-57476?
- Medium severity. CVSS v3 base score is 4.8 out of 10.