CVE-2026-29200 CRITICAL

CVE-2026-29200

Vendor Webpros
Product Comet Backup
Weakness CWE-639 · IDOR
Published May 4, 2026
Last update May 4, 2026

CVSS base score

9.9/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:H

What the vulnerability does

01Description

A critical IDOR vulnerability has been discovered in Comet Backup affecting all versions from 20.11.0 to 26.1.1 and 26.2.1. The vulnerability allows a tenant administrator to impersonate any end-user account of other tenants on the same server via a vulnerable API call.

Key dates

02Disclosure timeline

May 4, 2026 CVE published
May 4, 2026 Record updated