CVE-2025-65900: Kalmia CMS version 0.2.0 contains an Incorrect Access Control vulnerability in the /kal-api/auth/users API end

Q: How do I fix CVE-2025-65900?

kalmia: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Q: Is CVE-2025-65900 being exploited?

CVE-2025-65900 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-65900 affect?

CVE-2025-65900 affects kalmia. Severity is medium (CVSS 6.5). 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

Q: How urgent is CVE-2025-65900?

Priority 34/100. Public exploit reference

Routine

MEDIUM 6.5DOWNGRADE

CVE-2025-65900 is a medium-severity flaw (CVSS 6.5) affecting kalmia. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 77%)
CISA exploited list	No
Weakness	CWE-863
Published	2025-12-04
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: difuse

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-12-04 22:15 UTCPublished CVE record published
2026-06-17 09:56 UTCUpdated Record last modified

difuse kalmia DOWNGRADE

Affected: 0.2.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.2.0

1. Check installed version

npm ls kalmia

2. No fixed release: DOWNGRADE to a release before 0.2.0

npm view kalmia versions npm install kalmia@"<0.2.0"

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-65900?

kalmia: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-65900 being exploited?

CVE-2025-65900 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-65900 affect?

CVE-2025-65900 affects kalmia. Severity is medium (CVSS 6.5). 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

How urgent is CVE-2025-65900?

Priority 34/100. Public exploit reference

Related CVEs

CVE-2025-65899 MEDIUM 5.3 DOWNGRADE Kalmia CMS version 0.2.0 contains a user enumeration vulnerability in its authentication mechanism

References

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