CVE-2025-65899 json
Kalmia CMS version 0.2.0 contains a user enumeration vulnerability in its authentication mechanism.
published 2025-12-04 11 mo ago modified 2026-11-04 4 d ago also EUVD-2025-201311
- cvss
- 5.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 30%
- public exploits
- 0
- none known
Summary
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.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 11 mo ago
Exploit prediction
0.37% chance of exploitation in the next 30 days, higher than 30% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/Noxurge/CVE-2025-65899/blob/main/README.md referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
Classification
- Weakness
-
- CWE-204 Observable Response Discrepancy
References
-
github.com
/Noxurge/CVE-2025-65899/blob/main/README.md
exploit, third-party-advisory
-
github.com
/DifuseHQ/Kalmia
product
Sources
- CVE List CVE-2025-65899
- NVD CVE-2025-65899
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