CVE-2026-77097 Private Metrics Server Denial of Service

What is CVE-2026-77097?

CVE-2026-77097 is a high-severity missing authorization vulnerability in Commvault Cloud, published on 8 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Private Metrics Server contained a missing authentication condition affecting metrics upload functionality and service availability. Software customers upgrade to resolved maintenance release. Update Private Metrics Server.

Weakness: CWE-306

Which versions are affected by CVE-2026-77097?

It affects 1 product.

Products include Commvault Commvault.

How do I fix CVE-2026-77097?

No fix has been published for CVE-2026-77097 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-2026-77097 being exploited?

There is no known exploitation of CVE-2026-77097 in the wild and no public exploit code.

Other vulnerabilities in Commvault Cloud

• CVE-2025-34028 Commvault Command Center Path Traversal Exploited Critical 9.3
• CVE-2025-3928 Commvault Web Server Unspecified Exploited High 8.7
• CVE-2017-18044 Command injection in n/a Critical 9.8
• CVE-2026-77089 Command Center API Authentication Bypass Critical 9.3
• CVE-2026-13737 Command Restriction Bypass Critical 9.2

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-wxg5-wf9r-p36g.