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CVE-2026-29200

CRITICAL
9.9
CVSS 4.0
Description
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.

Metadata

CVE ID
CVE-2026-29200
State
PUBLISHED
Assigner
hackerone
Reserved
2026-03-04 15:00 UTC
Published
2026-05-04 05:42 UTC
Last updated
2026-05-04 19:44 UTC
Primary CWE
CWE-639
CWE-639 Insecure Direct Object Reference (IDOR)
Vendor / Product
WebPros / Comet Backup
Sources
cve.org  ·  NVD

Severity & Metrics

9.9 CRITICAL CVSS 4.0
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
SSVC — CISA Coordinator
Exploitation
none
Automatable
yes
Tech. Impact
total
Affected products (1)
VendorProductPlatformVersions
WebPros Comet Backup — 20.11.0 < 26.1.2, 26.2.0 < 26.2.2
Weakness (CWE)
CWESourceDescription
CWE-639 cna CWE-639 Insecure Direct Object Reference (IDOR)
CVSS scores (1)
ScoreSeverityVersionSourceVector
9.9 CRITICAL 4.0 cna 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 (1)
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