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CVE-2026-77097— Private Metrics Server Denial of Service

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 11.36.0至11.36.122版本、11.40.0至11.40.71版本、11.44.0至11.44.19版本和11.46.0至11.46.19版本存在授权问题漏洞，该漏洞源于Private Metrics Server缺少身份验证条件，影响metrics上传功能和服务可用性。

CVSS 8.8 · High EPSS 0.26% · P18

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 4

VendorProduct Version RangeStatus
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-2026-77097

Vulnerability Information
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Vulnerability Title
Private Metrics Server Denial of Service
Source: CVE Program / CVE List V5
Vulnerability Description
Private Metrics Server contained a missing authentication condition affecting metrics upload functionality and service availability. Software customers upgrade to resolved maintenance release. Update Private Metrics Server.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/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 授权问题漏洞
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 11.36.0至11.36.122版本、11.40.0至11.40.71版本、11.44.0至11.44.19版本和11.46.0至11.46.19版本存在授权问题漏洞，该漏洞源于Private Metrics Server缺少身份验证条件，影响metrics上传功能和服务可用性。
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-2026-77097

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III. Intelligence Information for CVE-2026-77097

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Vendor Advisories for CVE-2026-77097 (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-2026-77101 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-2026-77091 8.5 HIGH DataCube Security Feature Bypass
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

Same product: Commvault Cloud
Same vendor: Commvault

V. Comments for CVE-2026-77097

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