ByteOS Network

CVE Vulnerability Details :

CVE-2026-29200

PUBLISHED

More Info Official Page

Assigner-hackerone

Assigner Org ID-36234546-b8fa-4601-9d6f-f4e334aa8ea1

Published At-04 May, 2026 | 05:42

Updated At-04 May, 2026 | 19:44

▼CVE Numbering Authority (CNA)

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.

Affected Products

Vendor

WebPros

Product

Comet Backup

Default Status

unaffected

Versions

Affected

From 20.11.0 before 26.1.2 (semver)
From 26.2.0 before 26.2.2 (semver)

Problem Types

Type	CWE ID	Description
CWE	CWE-639	CWE-639 Insecure Direct Object Reference (IDOR)

Type: CWE

CWE ID: CWE-639

Description: CWE-639 Insecure Direct Object Reference (IDOR)

Metrics

Version	Base score	Base severity	Vector
4.0	9.9	CRITICAL	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

Version: 4.0

Base score: 9.9

Base severity: CRITICAL

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

References

Hyperlink	Resource
https://support.cometbackup.com/hc/en-us/articles/40090945484823--CVE-2026-29200-%D0%A1ritical-IDOR-vulnerability-in-Comet-Backup	N/A

Hyperlink: https://support.cometbackup.com/hc/en-us/articles/40090945484823--CVE-2026-29200-%D0%A1ritical-IDOR-vulnerability-in-Comet-Backup

Resource: N/A

▼Authorized Data Publishers (ADP)

CISA ADP Vulnrichment

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Affected

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Replaced By

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Affected Products

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Metrics Other Info

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