4.8
MEDIUM CVSS 4.0
CVE-2026-57476
Deloitte AI Assist for Customer unauthenticated RAG corpus read and write
Description

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.

INFO

Published Date :

July 10, 2026, 6:16 p.m.

Last Modified :

July 10, 2026, 6:20 p.m.

Remotely Exploit :

Yes !

Source :

9119a7d8-5eab-497f-8521-727c672e3725
Affected Products

The following products are affected by CVE-2026-57476 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 9119a7d8-5eab-497f-8521-727c672e3725
CVSS 3.1 MEDIUM 9119a7d8-5eab-497f-8521-727c672e3725
CVSS 3.1 MEDIUM MITRE-CVE
CVSS 4.0 MEDIUM 9119a7d8-5eab-497f-8521-727c672e3725
Solution
Restrict network access and enforce authentication for exposed API endpoints.
  • Restrict network access to API endpoints.
  • Enforce authentication for API endpoints.
  • Validate RAG corpus retrieval and injection parameters.
References to Advisories, Solutions, and Tools
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-57476 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-57476 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-57476 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by 9119a7d8-5eab-497f-8521-727c672e3725

    Jul. 10, 2026

    Action Type Old Value New Value
    Added Affected [{'vendor': 'Deloitte', 'product': 'AI Assist for Customer', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '2026-03-25', 'versionType': 'custom'}, {'status': 'unaffected', 'version': '2026-03-25'}], 'defaultStatus': 'unknown'}]
    Added SSVC {'id': 'CVE-2026-57476', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-06-23T18:31:21.217805Z'}
    Added Tag exclusively-hosted-service
    Added Description 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.
    Added CVSS V4.0 AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/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
    Added CVSS V3.1 AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
    Added CWE CWE-306
    Added Reference https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-191-01.json
    Added Reference https://www.cve.org/CVERecord?id=CVE-2026-57474
    Added Reference https://zerotolerance.me/advisories/assets/VU487875-deloitte-ascend-advisory.pdf
    Added Reference https://zerotolerance.me/advisories/deloitte-aiassist-ascend-2026-vu487875/
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.