Kalmia CMS version 0.2.0 contains an Incorrect Access Control vulnerability in the /kal-api/auth/users API endpoint.

published 2025-12-04 11mo ago modified 2026-11-04 5d ago also EUVD-2025-201310

cvss: 6.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 25%
public exploits: 0; none known

Kalmia CMS version 0.2.0 contains an Incorrect Access Control vulnerability in the /kal-api/auth/users API endpoint. Due to insufficient permission validation and excessive data exposure in the backend, an authenticated user with basic read permissions can retrieve sensitive information for all platform users.

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CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 11mo ago (2025-12-05)

Exploit prediction

0.33% chance of exploitation in the next 30 days, higher than 25% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

github.com https://github.com/Noxurge/CVE-2025-65900/blob/main/README.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CNA	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Classification

Weakness

CWE-863 Incorrect Authorization

References

github.com /Noxurge/CVE-2025-65900/blob/main/README.md
exploit, third-party-advisory
github.com /DifuseHQ/Kalmia
product

Sources

CVE List CVE-2025-65900
NVD CVE-2025-65900

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