CVE-2026-111823: CWE-390 Detection of Error Condition Without Action in Mage mage-ai
Description
CVE-2026-111823 is a critical vulnerability in Mage OSS mage-ai versions up to 0.9.80. The issue involves the software proceeding with session creation even when encountering an unknown OAuth provider, which is a detection of error condition without action (CWE-390). This flaw can lead to complete compromise of confidentiality, integrity, and availability as indicated by its CVSS 3.1 score of 9.8.
CVSS v3.1
Score 9.8critical
Affected software
Mage
mage-ai
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
Mage OSS mage-ai versions up to 0.9.80 contain a vulnerability classified as CWE-390, where the system proceeds with session creation despite encountering an unknown OAuth provider. This failure to properly handle the error condition allows unauthorized session creation, potentially enabling attackers to bypass authentication controls. The vulnerability has a CVSS 3.1 base score of 9.8, reflecting its critical impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation of this vulnerability allows an attacker to create sessions without proper OAuth provider validation, leading to full compromise of the system's confidentiality, integrity, and availability. This can result in unauthorized access and control over the affected Mage OSS mage-ai instances.
Mitigation Recommendations
No official patch or remediation information is provided in the available data. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, avoid using affected versions or implement additional access controls around OAuth session creation if possible.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mitre
- Date Reserved
- 2026-10-16T23:16:28.857Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ad2b48e2cdf04f656485598
Added to database: 10/16/2026, 23:34:38 UTC
Last enriched: 10/16/2026, 23:48:15 UTC
Last updated: 10/16/2026, 23:50:35 UTC
Views: 12
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