SSRF in Commvault

CVE-2026-13739

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.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (30.4th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 30.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-13739: held from 0.003 to 0.004.

EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-13739?
CVE-2026-13739 is a critical-severity vulnerability in Commvault, classified under Server-Side Request Forgery (SSRF). CVSS score: 9.8/10. Published 2026-08-11.
How severe is CVE-2026-13739?
Critical severity. CVSS v3 base score is 9.8 out of 10.