CVE-2026-13738

CRITICALCVSS 9.8/10EPSS 0.55%

Last modified

CVE-2026-13738 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. CommServe contained an authorization bypass vulnerability affecting a limited set of command execution operations. Software customers upgrade to resolved maintenance release. EPSS estimates a 0.55% chance of exploitation in the next 30 days.

Description

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

Metrics

Weakness Enumeration

Affected Software

VendorProductVersions
CommvaultCommvault>= 11.36.0, < 11.36.114
CommvaultCommvault>= 11.40.0, < 11.40.63
CommvaultCommvault>= 11.44.0, < 11.44.11
CommvaultCommvault>= 11.46.0, < 11.46.10

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-13738?
CommServe contained an authorization bypass vulnerability affecting a limited set of command execution operations. Software customers upgrade to resolved maintenance release. Update all Commvault installations, including Commserve, Webserver, Command Center, Media Agents, Clients and HyperScale X.
How severe is CVE-2026-13738?
CVE-2026-13738 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.55% probability of exploitation in the next 30 days.
How do I fix CVE-2026-13738?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST