CVE-2026-13739 Server-Side Request Forgery (SSRF)

What is CVE-2026-13739?

CVE-2026-13739 is a high-severity server-side request forgery 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

A legacy endpoint in Command Center contained an unauthenticated server-side request forgery (SSRF) vulnerability related to the handling of arbitrary target URLs. Software customers upgrade to resolved maintenance release. Update Command Center.

Weakness: CWE-918

Which versions are affected by CVE-2026-13739?

It affects 1 product.

Products include Commvault Commvault.

How do I fix CVE-2026-13739?

No fix has been published for CVE-2026-13739 yet. Limit exposure of the affected software until one is available.

Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.

Is CVE-2026-13739 being exploited?

There is no known exploitation of CVE-2026-13739 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-xxcx-v673-pwpr.