CVE-2026-77091— DataCube Security Feature Bypass
Quick assessment
Affected
Commvault Commvault Cloud
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Commvault Cloud是美国Commvault公司的一款云数据管理与存储解决方案。 Commvault Cloud 11.36.122及之前的11.36.x版本、11.40.71及之前的11.40.x版本、11.44.19及之前的11.44.x版本和11.46.19及之前的11.46.x版本存在路径遍历漏洞，该漏洞源于DataCube组件存在路径遍历问题，可能影响安全功能的执行。
Possible ATT&CK Techniques 1 AI
T1083 · File and Directory DiscoveryAffected Version Matrix 4
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Commvault | Commvault Cloud | 11.46.0≤ 11.46.19 |
affected |
11.44.0≤ 11.44.19 |
affected | ||
11.40.0≤ 11.40.71 |
affected | ||
11.36.0≤ 11.36.122 |
affected |
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I. Basic Information for CVE-2026-77091
Vulnerability Information
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Vulnerability Title
DataCube Security Feature Bypass
Source: CVE Program / CVE List V5
Vulnerability Description
DataCube contained a path traversal issue affecting security feature enforcement. Software customers upgrade to resolved maintenance release. Update Content Extractor and Index Store.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Commvault Cloud 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Commvault Cloud是美国Commvault公司的一款云数据管理与存储解决方案。 Commvault Cloud 11.36.122及之前的11.36.x版本、11.40.71及之前的11.40.x版本、11.44.19及之前的11.44.x版本和11.46.19及之前的11.46.x版本存在路径遍历漏洞，该漏洞源于DataCube组件存在路径遍历问题，可能影响安全功能的执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Commvault | Commvault Cloud | 11.46.0 ~ 11.46.19 | - |
|
II. Public POCs for CVE-2026-77091
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-77091 (1)
Same Patch Batch · Commvault · 2026-09-08 · 11 CVEs total
| CVE-2026-77089 | 9.3 CRITICAL | Command Center API Authentication Bypass |
| CVE-2026-77098 | 8.8 HIGH | Private Metrics Server SQL Injection |
| CVE-2026-77097 | 8.8 HIGH | Private Metrics Server Denial of Service |
| CVE-2026-77101 | 8.7 HIGH | CommServe Stack-based Buffer Overflow |
| CVE-2026-77105 | 8.7 HIGH | CommServe Privilege Escalation |
| CVE-2026-77102 | 8.7 HIGH | CommServe Denial of Service |
| CVE-2026-77103 | 8.7 HIGH | CommServe Information Disclosure |
| CVE-2026-77104 | 8.3 HIGH | CommServe Path Traversal |
| CVE-2026-77106 | 7.7 HIGH | Cvlaunchd Code Execution |
| CVE-2026-77092 | 7.3 HIGH | Content Extractor Privilege Escalation |
IV. Related Vulnerabilities
V. Comments for CVE-2026-77091
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