CVE Watchtower

CVE-2026-13737Commvault Commvault Cloud

NVD

Vulnerability Summary

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.
Severity Level
UNKNOWN
Published Date
Aug 11, 2026
Last Modified
Aug 11, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
0.52%Probability
Root Weakness (CWE)
N/A
CVSS v4.0 Base Metrics — Score 9.2 (CRITICAL)
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Attack VectorNetwork
Attack ComplexityHigh
Attack RequirementsNone
Privileges RequiredNone
User InteractionNone
Confidentiality (Vulnerable System)High
Integrity (Vulnerable System)High
Availability (Vulnerable System)High
Confidentiality (Subsequent System)None
Integrity (Subsequent System)None
Availability (Subsequent System)None

Affected & Patched Versions

Affected Versions
  • Commvault Commvault Cloud >= 11.46.0 and <= 11.46.9
  • Commvault Commvault Cloud >= 11.44.0 and <= 11.44.10
  • Commvault Commvault Cloud >= 11.40.0 and <= 11.40.62
  • Commvault Commvault Cloud >= 11.36.0 and <= 11.36.113
Patched Versions
  • Commvault Commvault Cloud 11.46.9
  • Commvault Commvault Cloud 11.44.10
  • Commvault Commvault Cloud 11.40.62
  • Commvault Commvault Cloud 11.36.113

What to do

Fix it during your normal patch cycle. No exploitation is confirmed yet.

  1. Check whether you run Commvault Commvault Cloud and which version.
  2. Update to a patched version listed above, then confirm the new version.

Timeline

  • Aug 11, 2026Published
  • Aug 11, 2026Record last modified

Score, severity and exploitation changes are tracked from the day Watchtower started logging them.

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Data last checked: Nov 15, 2026 03:31 UTC