Medium severity · published Sep 30, 2026
CVE-2026-86778
Username Enumeration in Maksisoft Technology's Maksisoft Gym
5.3
CVSS
0.2%
EPSS
No
On KEV
Description
Observable response discrepancy vulnerability in Maksisoft Technology, IT, and Software Industry and Trade Inc. Maksisoft Gym allows Account Footprinting.
This issue affects Maksisoft Gym: from 0.5.10 before 0.5.11.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 15% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MG
Maksisoft Gym · Maksisoft Technology, IT, and Software Industry and Trade Inc.
0.5.10 before 0.5.11 · source: vendor
Affected product
MG
Maksisoft Gym
Maksisoft Technology, IT, and Software Industry and Trade Inc.