# CVE-2026-66722: Apache CloudStack: ProjectRole & ProjectRolePermission authorization issue

> Domain admins can modify project roles and permissions in unrelated domains due to missing ownership checks, requiring an upgrade to fix.

- **Severity:** High 7.2 (`CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 21 Aug 2026
- **Updated:** 25 Aug 2026
- **Also known as:** GHSA-v9cm-qf9w-m6c3

## What is CVE-2026-66722?

CVE-2026-66722 is a high-severity missing authorization vulnerability in Apache Cloudstack, published on 21 Aug 2026. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

Improper authorization for CRUD operations on Project Roles and Project Role permissions for domain admins in CloudStack.

A Domain Admin can create, update, delete, and list project roles and project role permissions for projects in any domain, not just their own. The check only confirms the caller is a Domain Admin, without verifying whether the target project belongs to their domain or subdomain. This allows a malicious Domain Admin to tamper with project roles and permissions across unrelated domains.

This issue affects Apache CloudStack: from 4.15.0.0 through 4.20.3.0 and from 4.21.0.0 through 4.22.1.0.

Users are recommended to upgrade to version 4.20.3.1 or 4.22.1.1 or later, which fixes the issue.

Weakness: CWE-285 (Improper Authorization)

## Which versions are affected by CVE-2026-66722?

It affects 1 product.


Products: Apache Cloudstack.

## How do I fix CVE-2026-66722?

No fix has been published for CVE-2026-66722 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-66722 being exploited?

There is no known exploitation of CVE-2026-66722 in the wild and no public exploit code.

## Other vulnerabilities in Apache Cloudstack

- [CVE-2012-4501](https://insights.sbomify.com/CVE-2012-4501/): Missing authorization in n/a (critical 10.0)
- [CVE-2024-38346](https://insights.sbomify.com/CVE-2024-38346/): Apache CloudStack: Unauthenticated cluster service port leads to remote execution (critical 9.8)
- [CVE-2024-39864](https://insights.sbomify.com/CVE-2024-39864/): Apache CloudStack: Integration API service uses dynamic port when disabled (critical 9.8)
- [CVE-2024-29006](https://insights.sbomify.com/CVE-2024-29006/): Apache CloudStack: x-forwarded-for HTTP header parsed by default (critical 9.8)
- [CVE-2022-35741](https://insights.sbomify.com/CVE-2022-35741/): Apache CloudStack SAML Single Sign-On XXE (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-66722 and fix it if it is affected.

What it is: CVE-2026-66722 is a high-severity missing authorization vulnerability in Apache Cloudstack, published on 21 Aug 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-66722 in the wild and no public exploit code.

Affected product: Apache Cloudstack. 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-2026-66722/ (Markdown: https://insights.sbomify.com/CVE-2026-66722/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-66722
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-66722
- OSV: https://osv.dev/vulnerability/CVE-2026-66722

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-66722/
Summaries are generated and may contain mistakes; the official description above is the record.