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CVE-2026-32999

Quick assessment

Affected
WebPros Comet Backup
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.

WebPros Comet Backup是瑞士WebPros公司的一款数据备份与恢复平台。 WebPros Comet Backup存在安全漏洞，该漏洞源于备份代理签名模块中字符过滤不足，可能导致经过身份验证的租户管理员代表受影响服务器和连接设备上的特权用户执行任意代码。

CVSS 9.1 · Critical EPSS 0.48% · P39

Affected Version Matrix 2

VendorProduct Version RangeStatus
WebPros Comet Backup < 26.4.3 affected
< 26.5.0 affected
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I. Basic Information for CVE-2026-32999

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Insufficient character filtering in backup agent signing module on Comet Backup server allows authenticated tenant administrator to execute an arbitrary code on behalf of a privileged user on the affected server and connected devices.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5
Vulnerability Title
WebPros Comet Backup 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WebPros Comet Backup是瑞士WebPros公司的一款数据备份与恢复平台。 WebPros Comet Backup存在安全漏洞，该漏洞源于备份代理签名模块中字符过滤不足，可能导致经过身份验证的租户管理员代表受影响服务器和连接设备上的特权用户执行任意代码。
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
WebPros Comet Backup 0 ~ 26.4.3 -

II. Public POCs for CVE-2026-32999

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III. Intelligence Information for CVE-2026-32999

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Vendor Advisories for CVE-2026-32999 (1)

IV. Related Vulnerabilities

Same product: Comet Backup
Same vendor: WebPros
Same weakness: CWE-94

V. Comments for CVE-2026-32999

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