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.

1,777 vulnerabilities with CWE-639
CVE-2026-45750 CRITICAL
Termix Vulnerable to Arbitrary Command Execution in File Manager
CVSS 9.0
CVE-2026-45746 CRITICAL
Termix Vulnerable to Arbitrary Command Execution via Session Hijacking
CVSS 9.0
CVE-2026-45743 HIGH
Termix <2.3.2 File Manager Sessions - Insecure Direct Object Reference
CVSS 8.1
CVE-2026-11369 HIGH
IDOR in Comment API Allows Cross-Process Comment Read and Write
CVE-2026-11142 MEDIUM
Google Chrome < 149.0.7827.53 - Same Origin Policy Bypass via Paint Policy Enforcement
CVSS 6.5
CVE-2026-49192 MEDIUM
Acer Connect M6E 5G Portable WiFi Router - Summary Service Insecure Direct Object Reference
CVSS 5.4
CVE-2026-10597 MEDIUM
ITPison|OMICARD EDM - Insecure Direct Object Reference
CVSS 5.3
CVE-2026-7201 HIGH
CWE-639: Authorization Bypass Through User-Controlled Key in web services in Progress Sitefinity
CVSS 8.8
CVE-2026-24761 LOW
Kiteworks < 9.3.0 - Authenticated Insecure Direct Object Reference in Secure Data Forms
CVSS 3.7
CVE-2026-24756 MEDIUM
Kiteworks < 9.3.0 - Authenticated Insecure Direct Object Reference in Secure Data Forms
CVSS 4.3
CVE-2026-24755 MEDIUM
Kiteworks < 9.3.0 - Authenticated Authorization Bypass via Secure Data Forms
CVSS 5.4
CVE-2026-24753 MEDIUM
Kiteworks < 9.3.0 - Authenticated Insecure Direct Object Reference in Secure Data Forms
CVSS 6.5
CVE-2026-45810 MEDIUM
Nextcloud Server 31.0.0-31.0.11 and 32.0.0-32.0.2 - Authenticated Unauthorized Comment Access
CVSS 6.8
CVE-2026-45281 HIGH
Nextcloud Server 32.0.0-32.0.8 and 33.0.0-33.0.2 - Authenticated Authorization Bypass in Calendar Backend
CVSS 8.1
CVE-2026-23638 MEDIUM
Kiteworks < 9.3.0 - Authenticated Insecure Direct Object Reference in Secure Data Forms
CVSS 6.5
CVE-2026-45159 LOW
Nextcloud: Files drop share links for end-to-end encrypted folders allowed to drop files into other folders of the share owner
CVSS 3.5
CVE-2026-45155 LOW
Nextcloud: Private circle can be added to another circle via API
CVSS 2.6
CVE-2026-46764 MEDIUM
Apache Airflow: Event Log detail endpoint bypasses DAG-scoped event log permission filter
CVSS 4.3
CVE-2026-41084 HIGH
Apache Airflow: API authorization bypass: bulk TaskInstances allows cross-DAG mutation
CVSS 7.5
CVE-2026-10212 MEDIUM
AstrBotDevs AstrBot astr_main_agent.py astr_main_agent authorization
CVSS 6.3
CVE-2026-10154 MEDIUM
Dolibarr ERP CRM messaging.php authorization
CVSS 4.3
CVE-2026-47266 HIGH
Formie: Unauthenticated front-end submission editing can overwrite existing submissions
CVE-2026-49386 MEDIUM
Jetbrains YouTrack < 2026.1.13570 - Authorization Bypass Through User-Controlled Key
CVSS 6.5
CVE-2026-43917 MEDIUM
Dokploy: Cross-Organization IDOR - Multiple tRPC endpoints missing activeOrganizationId validation
CVE-2026-45551 MEDIUM
Group-Office: Authenticated Stored XSS in Administrator Context via Arbitrary Cross-User Setting Write
Details
Vulnerabilities 1,777
Exploit Likelihood High