CVE-2026-29200

CriticalCVSS 9.9/10Last modified Jun 17, 2026

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.

Metrics

CVSS 4.0 9.9/10

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weakness enumeration

CWE-639

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

No affected versions have been published.

Timeline

Published: May 4, 2026
Last modified: Jun 17, 2026
NVD status: Awaiting Analysis

Related CVEs from 2026

CVE-2026-292018.6Insufficient input validation of the feature file name in `feature::LOADFEATUREFILE` adminbin call can cause arbitrary file read when a rela CVE-2026-292028.8Insufficient input validation of the `plugin` parameter of the `create_user` plugin allows arbitrary Perl code execution on behalf of the al CVE-2026-292038.8A chmod call in the cPanel Nova plugin's Cpanel::Nova::Connector follows symlinks, allowing setting root permissions on arbitrary system fil CVE-2026-292049.1Insufficient ownership check in `clientarea.php` allows an authenticated client area user to submit requests using another user’s `addonId` CVE-2026-292058.6Incorrect privileges management and insufficient path filtering allow to read arbitrary file on the server via the cpdavd attachment downloa CVE-2026-292068.1Insufficient sanitization of SQL queries in the `sqloptimizer` utility script allows SQL Injections on behalf of the root user if Slow Query CVE-2026-292076.5Improper Neutralization of Special Elements Used in a Template Engine vulnerability in Apache OFBiz. This issue affects Apache OFBiz: befor CVE-2026-29217.8GStreamer RIFF Palette Integer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary CVE-2026-29227.8GStreamer RealMedia Demuxer Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute a CVE-2026-292206.5Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Apache OFBiz. This issue affects Apache OFB CVE-2026-292267.3Server-Side Request Forgery (SSRF) vulnerability in Apache OFBiz via Content component operations. This issue affects Apache OFBiz: before CVE-2026-29237.8GStreamer DVB Subtitles Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbit