Because vendor contact attempts were unsuccessful, the vulnerability has only been confirmed in version 25.3.3.1 but may also affect other versions.
Analysis and contextual insights are available on OpenCVE Cloud.
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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Wed, 01 Jul 2026 14:30:00 +0000
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Wed, 01 Jul 2026 12:45:00 +0000
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| Description | MCO is vulnerable to User Enumeration through authentication-related functionalities. The application returns distinguishable responses for valid and invalid users during username reminder and password reset operations. An attacker can leverage these differences to enumerate valid usernames and email addresses. Because vendor contact attempts were unsuccessful, the vulnerability has only been confirmed in version 25.3.3.1 but may also affect other versions. | |
| Title | User Enumeration in MCO | |
| Weaknesses | CWE-204 | |
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| Metrics |
cvssV4_0
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Subscriptions
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Status: PUBLISHED
Assigner: CERT-PL
Published:
Updated: 2026-07-01T13:38:09.459Z
Reserved: 2026-06-11T07:44:52.179Z
Link: CVE-2026-53908
Updated: 2026-07-01T13:38:04.577Z
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OpenCVE Enrichment
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