# CVE-2025-62642: Missing authorization in assistant platform

> Unauthenticated attackers can create user accounts via an unverified signup API, potentially leading to unauthorized access or account takeover.

- **Severity:** Medium 5.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 17 Oct 2025
- **Updated:** 29 Oct 2025
- **Also known as:** GHSA-xhmp-23cf-gx5x

## What is CVE-2025-62642?

CVE-2025-62642 is a medium-severity missing authorization vulnerability in Restaurant Brands International assistant platform, published on 17 Oct 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The Restaurant Brands International (RBI) assistant platform through 2025-09-06 has an "Anyone Can Join This Party" signup API that does not verify user account creation, allowing a remote unauthenticated attacker to create a user account.

Weakness: CWE-862 (Missing Authorization)

## Which versions are affected by CVE-2025-62642?

It affects 1 product.


Products: Rbi Restaurant Brands International Assistant.

## How do I fix CVE-2025-62642?

No fix has been published for CVE-2025-62642 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-62642 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-62642 exists.

## Other vulnerabilities in Restaurant Brands International assistant platform

- [CVE-2025-62645](https://insights.sbomify.com/CVE-2025-62645/): Privilege escalation in assistant platform (critical 9.9)
- [CVE-2025-62650](https://insights.sbomify.com/CVE-2025-62650/): Auth bypass in assistant platform (high 8.3)
- [CVE-2025-62651](https://insights.sbomify.com/CVE-2025-62651/): Missing authorization in assistant platform (medium 6.5)
- [CVE-2025-62648](https://insights.sbomify.com/CVE-2025-62648/): Missing authorization in assistant platform (medium 6.4)
- [CVE-2025-62649](https://insights.sbomify.com/CVE-2025-62649/): Auth bypass in assistant platform (medium 5.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-62642 and fix it if it is affected.

What it is: CVE-2025-62642 is a medium-severity missing authorization vulnerability in Restaurant Brands International assistant platform, published on 17 Oct 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-62642 exists.

Affected product: Restaurant Brands International assistant platform. 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-2025-62642/ (Markdown: https://insights.sbomify.com/CVE-2025-62642/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-62642
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-62642
- OSV: https://osv.dev/vulnerability/CVE-2025-62642

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-62642/
Summaries are generated and may contain mistakes; the official description above is the record.