🛡️ CVE-2026-53908 — mycomplianceoffice

🟡 CVSS 4.3 — Medium ✅ No Known Exploit CWE-204 NVD
4.3
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality low, integrity none, availability none.

Affected software

CVE-2026-53908 is recorded against 1 package.

  • mycomplianceoffice

Timeline and source

Published on 1 July 2026 and last revised on 6 July 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

cert.pl
mco.mycomplianceoffice.com

Details

Severity MEDIUM
CVSS Score 4.3
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE CWE-204
Public Exploit ✅ No
Source NVD
Published 2026-07-01
Updated 2026-08-11
Modified 2026-07-06
Fix URL N/A

Affected Packages

Software From version Fixed in
mycomplianceoffice — —

Similar Threats

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