Quick answers
- Is CVE-2026-13737 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-13737 being exploited in the wild.
- How severe is CVE-2026-13737?
- Critical severity, with a CVSS score of 9.8, published 11 August 2026.
- Which products and versions are affected?
- Commvault CommServe 11.36.0 - 11.36.113, 11.44.0 - 11.44.10, 11.46.0 - 11.46.9.
- Is there a fix for CVE-2026-13737?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-13737 attacked?
- It is attacked over the network.
- Am I affected by CVE-2026-13737?
- Check whether you run Commvault CommServe at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
The vulnerability is an allowlist bypass affecting command execution authorization in Commvault CommServe. The root cause stems from insufficient validation of command execution requests against the authorization allowlist, enabling attackers to circumvent intended restrictions. This is a network-accessible vulnerability requiring no authentication or user interaction. Successful exploitation allows remote command execution with the privileges of the CommServe service, which typically has broad access to managed infrastructure. Patches are available for affected versions 11.36.0 through 11.46.9, with resolution in versions 11.36.114, 11.44.11, and 11.46.10 or higher.
Affected products
- Commvault CommServe 11.36.0 - 11.36.113, 11.44.0 - 11.44.10, 11.46.0 - 11.46.9
Timeline
- 2026-08-11: disclosed: CVE-2026-13737 published