CWE-639

High likelihood

Authorization Bypass Through User-Controlled Key

Parent: CWE-863 - Incorrect Authorization

The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.

1,776 vulnerabilities with CWE-639
CVE-2026-46558 HIGH
Plane: Cross-workspace asset authorization bypass lets any authenticated user read, copy, delete, and overwrite assets in other Plane workspaces
CVSS 8.3
CVE-2026-53471 CRITICAL
Migration-planner: agent api ignores jwt source_id claim
CVSS 9.6
CVE-2026-53470 CRITICAL
Migration-planner: getsourcedownloadurl missing organization check
CVSS 9.6
CVE-2026-45563 MEDIUM
Roxy-WI: IDOR — any authenticated user can read another user's full action history
CVSS 4.3
CVE-2026-45552 CRITICAL
Roxy-WI <= 8.2.6.4 - Cross-Tenant Install Authorization Bypass
CVSS 9.9
CVE-2026-45550 CRITICAL
Roxy-WI: IDOR on PUT /smon/check — any user can rewrite any tenant's monitoring URL/IP/body
CVSS 9.1
CVE-2026-53675 MEDIUM
BuddyPress 14.4.0 Friends List IDOR via REST API
CVSS 4.3
CVE-2026-53673 HIGH
BuddyPress 14.4.0 Private Message IDOR via REST API user_id Parameter
CVSS 8.1
CVE-2026-6444 HIGH
Everpure FlashArray < 6.10.5 - Authorization Bypass Through User-Controlled Key
CVE-2026-44083 CRITICAL
QuMagie < 2.9.1 - Authorization Bypass
CVSS 9.8
CVE-2026-9185 HIGH
6Storage Rentals <= 2.22.0 - Unauthenticated Insecure Direct Object Reference to Arbitrary User Disclosure and Modification via 'userId' Parameter
CVSS 7.5
CVE-2026-49141 HIGH
WACRM Authorization Bypass via Automation Engine Endpoint
CVSS 7.1
CVE-2026-46441 CRITICAL
Flowise: Mass Assignment in Assistant Update Endpoint Allows Cross-Workspace Resource Reassignment
CVSS 9.6
CVE-2026-42863 HIGH
Flowise: Mass Assignment in Chatflow Update Endpoint Allows Cross-Workspace AgentFlow Reassignment
CVSS 8.1
CVE-2026-42862 MEDIUM
Flowise: Mass Assignment in Tool Update Endpoint Allows Cross-Workspace Resource Reassignment
CVSS 5.0
CVE-2026-42861 CRITICAL
Flowise: Mass Assignment in Variable Update Endpoint Allows Cross-Workspace Resource Reassignment
CVSS 9.6
CVE-2026-11500 MEDIUM
Weaviate Static API Key client.go validateConfig authorization
CVSS 5.0
CVE-2026-11461 MEDIUM
NousResearch hermes-agent resume Endpoint hermes_state.py resolve_session_by_title authorization
CVSS 6.3
CVE-2026-9851 HIGH
Booking Package <= 1.7.16 - Authenticated (Editor+) Privilege Escalation via Account Takeover to updateUser AJAX Action
CVSS 7.2
CVE-2026-8839 MEDIUM
MapPress Maps for WordPress <= 2.96.6 - Unauthenticated Insecure Direct Object Reference via REST API Endpoints
CVSS 5.3
CVE-2026-8611 MEDIUM
Klamra Paycal For Aspaclaria < 1.1.4 - IDOR
CVSS 4.3
CVE-2026-7665 MEDIUM
Essential Addons for Elementor <= 6.6.4 - Missing Authorization to Unauthenticated Information Exposure via 'load_more' AJAX Handler
CVSS 5.3
CVE-2026-10038 MEDIUM
Charitable <= 1.8.11.1 - Authenticated (Subscriber+) Insecure Direct Object Reference to Arbitrary Attachment Deletion via 'avatar' Parameter
CVSS 4.3
CVE-2026-46390 MEDIUM
HAX CMS has Unauthenticated Git Access via User-Controlled Key
CVE-2026-45750 CRITICAL
Termix Vulnerable to Arbitrary Command Execution in File Manager
CVSS 9.0
Details
Vulnerabilities 1,776
Exploit Likelihood High