Security fix · CVE-2025-59116
Windu CMS is vulnerable to User Enumeration.
Published Nov 18, 2025 · catalog updated Dec 5, 2025 · JCD Windu CMS
Last checked Nov 3, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2025-59116. EPSS is 0.26%. Act only if a listed version of JCD Windu CMS is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
Same product and reporting
- CVE-2025-59111 · Medium
- CVE-2025-59117 · Medium
- CVE-2025-59115 · Medium
- CVE-2025-59114 · Medium
- CVE-2025-59113 · Medium
- Severity
- Medium6.9
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.26%
- Remediation
- Vendor / distro source
- Affected products
- vendor JCD Windu CMS 0 ≤4.1
Windu CMS is vulnerable to User Enumeration. This issue occurs during logon, where a difference in messages could allow an attacker to determine if the login is valid or not, enabling a brute force attack with valid logins. Only version 4.1 was tested and confirmed as vulnerable. This issue was fixed in version 4.1 build 2250.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor JCD Windu CMS 0 ≤4.10 ≤4.1
How to fix CVE-2025-59116
No stored fix
No vendor fix text is stored. Use the linked advisory before you change production.
Version check
Seen in 0 ≤4.1
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2025-59116. EPSS is 0.26%. Act only if a listed version of JCD Windu CMS is installed.
Which versions are affected?
Compare what you have installed with JCD Windu CMS 0 ≤4.1 0 ≤4.1. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.26%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Nov 18, 2025 · EUVD
Detected
Windu CMS is vulnerable to User Enumeration. This issue occurs during logon, where a difference in messages could allow an attacker to determine if the login is valid or not, enabling a brute force attack with valid logins. Only version 4.1 was tested and confirmed as vulnerable. This issue was fixed in version 4.1 build 2250.
Dec 5, 2025 · EUVD
Updated
Windu CMS is vulnerable to User Enumeration. This issue occurs during logon, where a difference in messages could allow an attacker to determine if the login is valid or not, enabling a brute force attack with valid logins. Only version 4.1 was tested and confirmed as vulnerable. This issue was fixed in version 4.1 build 2250.
Sources
- CVE.orgVulnerability recordCVE-2025-59116
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2025-59116
30-day exploitation probability 0.26%
first.org - EUVDVulnerability recordEUVD-2025-197996
Windu CMS is vulnerable to User Enumeration. This issue occurs during logon, where a difference in messages could allow an attacker to determine if the login is valid or not, enabling a brute force attack with valid logins. Only version 4.1 was tested and confirmed as vulnerable.
euvd.enisa.europa.eu
References
Freshness
Last verified in this catalog Nov 3, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- FIRST EPSSNov 3, 2026
- CVE.orgOct 28, 2026
- EUVDOct 27, 2026