CVE-2026-77096 CVFS Missing Authentication
Attackers can execute commands without authentication due to missing checks in Commvault CVFS, requiring an upgrade to the resolved maintenance release.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-77096?
CVE-2026-77096 is a high-severity missing authorization vulnerability in Commvault Cloud, published on 13 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
CVFS contained a missing authentication condition affecting command execution. Software customers upgrade to resolved maintenance release. Update CVFS.
Weakness: CWE-306
Which versions are affected by CVE-2026-77096?
How do I fix CVE-2026-77096?
No fix has been published for CVE-2026-77096 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-2026-77096 being exploited?
There is no known exploitation of CVE-2026-77096 in the wild and no public exploit code.
Sources
Also known as GHSA-4p62-vj8p-fqvf.