CVE-2026-59799 Apache CloudStack: Missing Privilege Check in Two-Factor Authentication Disable Flow
Attackers can bypass two-factor authentication disable flow due to missing privilege checks in Apache CloudStack.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-59799?
CVE-2026-59799 is a high-severity missing authorization vulnerability in Apache Cloudstack, published on 21 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Improper Privilege Management vulnerability in Apache CloudStack's Two-factor authentication plugin allowing bypass of the two-factor authentication disable flow.
This issue affects Apache CloudStack: from 4.18.0.0 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-269
Which versions are affected by CVE-2026-59799?
It affects 1 product.
Products include Apache Cloudstack.
How do I fix CVE-2026-59799?
No fix has been published for CVE-2026-59799 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-59799 being exploited?
There is no known exploitation of CVE-2026-59799 in the wild and no public exploit code.
Other vulnerabilities in Apache Cloudstack
- CVE-2012-4501 Missing authorization in n/a
- CVE-2024-38346 Apache CloudStack: Unauthenticated cluster service port leads to remote execution
- CVE-2024-39864 Apache CloudStack: Integration API service uses dynamic port when disabled
- CVE-2024-29006 Apache CloudStack: x-forwarded-for HTTP header parsed by default
- CVE-2022-35741 Apache CloudStack SAML Single Sign-On XXE
Sources
Also known as GHSA-vw73-w3p2-w2rj.