CVE-2026-13737 Command Restriction Bypass

What is CVE-2026-13737?

CVE-2026-13737 is a critical vulnerability in Commvault Cloud, published on 11 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

CommServe contained an allowlist bypass vulnerability affecting command execution authorization. Software customers upgrade to resolved maintenance release. Update all Commvault installations, including Commserve, Webserver, Command Center, Media Agents, Clients and HyperScale X.

Weakness: CWE-863

Which versions are affected by CVE-2026-13737?

It affects 1 product.

Products include Commvault Commvault.

How do I fix CVE-2026-13737?

No fix has been published for CVE-2026-13737 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-13737 being exploited?

There is no known exploitation of CVE-2026-13737 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-2026-13738 Improper Authorization Validation Critical 9.2

Sources

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

Also known as GHSA-vpjp-54p7-3qc9.