# CVE-2026-77089: Commvault Command Center API authentication bypass

Source: https://junglewise.ai/threats/cve-2026-77089-commvault-command-center-api-authentication-bypass  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-08. Updated: 2026-09-26  
License: CC BY 4.0 with a link back

CVE-2026-77089 · Severity: critical · CVSS 9.8 · Published 2026-09-08

Commvault Command Center is a web-based interface used to manage backup and recovery operations across an organization's IT infrastructure. An authentication bypass vulnerability in its API allows attackers to bypass login controls and gain unauthorized access to privilege management functions, potentially enabling them to modify backup policies, steal backed-up data, or disrupt recovery operations without providing valid credentials.

Technologies: [Commvault Command Center](https://junglewise.ai/threats/technologies/command-center). Vendors: [Commvault](https://junglewise.ai/threats/vendors/commvault).

## Quick answers

**Is CVE-2026-77089 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-77089 being exploited in the wild.

**How severe is CVE-2026-77089?** Critical severity, with a CVSS score of 9.8, published 8 September 2026.

**Which products and versions are affected?** Commvault Command Center 11.36.0 - 11.36.122, 11.40.0 - 11.40.71, 11.44.0 - 11.44.19, 11.46.0 - 11.46.19.

**Is there a fix for CVE-2026-77089?** A patch was published on 2026-09-08: Resolved versions available: 11.36.123+, 11.40.72+, 11.44.20+, 11.46.20+ Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-77089 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-77089?** Check whether you run Commvault Command Center 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 authentication bypass in the Command Center API that affects privilege management. The flaw allows unauthenticated or improperly authenticated requests to access protected API endpoints, bypassing the normal authentication checks. This is a network-reachable vulnerability with no authentication required to exploit. Attackers can leverage this to escalate privileges and access sensitive administrative functions. Patches have been released for affected versions (11.36.123+, 11.40.72+, 11.44.20+, 11.46.20+), and users should upgrade to the resolved maintenance releases immediately.

## Affected products

- Commvault Command Center 11.36.0 - 11.36.122, 11.40.0 - 11.40.71, 11.44.0 - 11.44.19, 11.46.0 - 11.46.19

## Timeline

- 2026-09-08: disclosed
- 2026-09-08: patched: Resolved versions available: 11.36.123+, 11.40.72+, 11.44.20+, 11.46.20+

## References

- [https://documentation.commvault.com/securityadvisories/CV_2026_07_1.html](https://documentation.commvault.com/securityadvisories/CV_2026_07_1.html)

## Related threats

- [Commvault Command Center server-side request forgery (SSRF) unauthenticated](https://junglewise.ai/threats/cve-2026-13739-commvault-command-center-server-side-request-forgery-ssrf)
- [Commvault Command Center Path Traversal Vulnerability](https://junglewise.ai/threats/cve-2025-34028-commvault-command-center-path-traversal-vulnerability)