# CVE-2026-57476: Deloitte AI Assist for Customer unauthenticated RAG corpus read and write

> Unauthenticated attackers can read or inject content into the RAG corpus via exposed API endpoints in Deloitte AI Assist for Customer.

- **Severity:** Medium 6.3 (`CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 10 Jul 2026
- **Updated:** 3 Aug 2026
- **Also known as:** GHSA-85qw-gwgm-xj6w

## What is CVE-2026-57476?

CVE-2026-57476 is a medium-severity missing authorization vulnerability in Deloitte AI Assist for Customer, published on 10 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official 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.

Weakness: CWE-306 (Missing Authentication for Critical Functionality)

## Which versions are affected by CVE-2026-57476?

It affects 1 product.


Products: Deloitte Ai Assist for Customer.

## How do I fix CVE-2026-57476?

No fix has been published for CVE-2026-57476 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-57476 being exploited?

There is no known exploitation of CVE-2026-57476 in the wild and no public exploit code.

## Other vulnerabilities in Deloitte AI Assist for Customer

- [CVE-2026-57474](https://insights.sbomify.com/CVE-2026-57474/): Deloitte AI Assist for Customer information disclosure (medium 6.9)
- [CVE-2026-57475](https://insights.sbomify.com/CVE-2026-57475/): Deloitte AI Assist for Customer unauthenticated configuration write (medium 6.9)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-57476 and fix it if it is affected.

What it is: CVE-2026-57476 is a medium-severity missing authorization vulnerability in Deloitte AI Assist for Customer, published on 10 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-57476 in the wild and no public exploit code.

Affected product: Deloitte AI Assist for Customer. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-57476/ (Markdown: https://insights.sbomify.com/CVE-2026-57476/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-57476
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-57476
- OSV: https://osv.dev/vulnerability/CVE-2026-57476

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-57476/
Summaries are generated and may contain mistakes; the official description above is the record.