PT-2026-36771 · Webpros · Comet Backup

Published 2026-05-04 · Updated 2026-05-04 · CVE-2026-29200

Mitre

CVSS v4.0

9.9

Critical

Base vector

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

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.

Fix

IDOR

Weakness Enumeration

CWE-639

Related Identifiers

CVE-2026-29200

Affected Products

Comet Backup

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-29200 · Security Note
• https://support.cometbackup.com/hc/en-us/articles/40090945484823--CVE-2026-29200-%D0%A1ritical-IDOR-vulnerability-in-Comet-Backup · Note