CVE-2026-65463: CWE-639 Authorization Bypass Through User-Controlled Key in masteriyo Masteriyo - LMS
Subscriber Insecure Direct Object References (IDOR) in Masteriyo - LMS <= 2.3.1 versions.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-65463) affects Masteriyo - LMS versions up to 2.3.1 and is classified as CWE-639: Authorization Bypass Through User-Controlled Key. It involves insecure direct object references (IDOR) that allow an attacker with limited privileges to bypass authorization controls by manipulating user-controlled keys. The CVSS 3.1 base score is 5.4 (medium), with network attack vector, low attack complexity, requiring privileges, no user interaction, unchanged scope, no confidentiality impact, but integrity and availability impacts. No patch or official remediation level is currently documented.
Potential Impact
The vulnerability allows an attacker with some privileges to bypass authorization checks by exploiting insecure direct object references. This can lead to unauthorized modification or disruption of system integrity and availability. Confidentiality is not impacted. There are no known exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict user privileges where possible and monitor for unusual activity related to object access. Avoid relying on user-controlled keys for authorization decisions.
CVE-2026-65463: CWE-639 Authorization Bypass Through User-Controlled Key in masteriyo Masteriyo - LMS
Description
Subscriber Insecure Direct Object References (IDOR) in Masteriyo - LMS <= 2.3.1 versions.
CVSS v3.1
Score 5.4medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-65463) affects Masteriyo - LMS versions up to 2.3.1 and is classified as CWE-639: Authorization Bypass Through User-Controlled Key. It involves insecure direct object references (IDOR) that allow an attacker with limited privileges to bypass authorization controls by manipulating user-controlled keys. The CVSS 3.1 base score is 5.4 (medium), with network attack vector, low attack complexity, requiring privileges, no user interaction, unchanged scope, no confidentiality impact, but integrity and availability impacts. No patch or official remediation level is currently documented.
Potential Impact
The vulnerability allows an attacker with some privileges to bypass authorization checks by exploiting insecure direct object references. This can lead to unauthorized modification or disruption of system integrity and availability. Confidentiality is not impacted. There are no known exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict user privileges where possible and monitor for unusual activity related to object access. Avoid relying on user-controlled keys for authorization decisions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Patchstack
- Date Reserved
- 2026-07-22T08:53:23.246Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a61fd249c2644c7f8fc2c7b
Added to database: 07/23/2026, 11:38:12 UTC
Last enriched: 07/23/2026, 12:24:02 UTC
Last updated: 07/24/2026, 03:44:01 UTC
Views: 7
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