CVE-2025-65899

Name: CVE-2025-65899
Creator: NVD / NIST
Published: 2025-12-04T22:15:48.927+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.31%

Last modified Jun 17, 2026

CVE-2025-65899 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. Kalmia CMS version 0.2.0 contains a user enumeration vulnerability in its authentication mechanism. The application returns different error messages for invalid users (user_not_found) versus valid users with incorrect passwords (invalid_password). EPSS estimates a 0.31% chance of exploitation in the next 30 days.

Description

Kalmia CMS version 0.2.0 contains a user enumeration vulnerability in its authentication mechanism. The application returns different error messages for invalid users (user_not_found) versus valid users with incorrect passwords (invalid_password). This observable response discrepancy allows unauthenticated attackers to enumerate valid usernames on the system.

Metrics

CVSS 3.1

5.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS Probability

0.31%

22.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-204

Affected Software

Vendor	Product	Versions
Difuse	Kalmia	0.2.0

References

https://github.com/DifuseHQ/KalmiaProduct
https://github.com/Noxurge/CVE-2025-65899/blob/main/README.mdExploit, Third Party Advisory

Timeline

Published: Dec 4, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-65899?

How severe is CVE-2025-65899?

CVE-2025-65899 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.31% probability of exploitation in the next 30 days.

How do I fix CVE-2025-65899?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-65899?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST