How severe is CVE-2026-25197?

CVE-2026-25197 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2026-25197 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-25197?

CVE-2026-25197 affects Mygardyn Cloud Api. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-25197?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-25197 have an EU (EUVD) identifier?

Yes. CVE-2026-25197 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-18831.

When was CVE-2026-25197 published?

CVE-2026-25197 was published on 2026-04-03 and last updated on 2026-06-17.

CVE-2026-25197

CVE-2026-25197 is a critical-severity vulnerability in Mygardyn Cloud Api with a CVSS 3.x base score of 9.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-639.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
CVSS v4: 9.3
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-18831
Weakness: CWE-639
Affected product: Mygardyn Cloud Api
Published: 2026-04-03
Last modified: 2026-06-17

Description

A specific endpoint allows authenticated users to pivot to other user profiles by modifying the id number in the API call.

Frequently asked questions

What is CVE-2026-25197?: A specific endpoint allows authenticated users to pivot to other user profiles by modifying the id number in the API call.
How severe is CVE-2026-25197?: CVE-2026-25197 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2026-25197 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-25197?: CVE-2026-25197 affects Mygardyn Cloud Api. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-25197?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-25197 have an EU (EUVD) identifier?: Yes. CVE-2026-25197 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-18831.
When was CVE-2026-25197 published?: CVE-2026-25197 was published on 2026-04-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:mygardyn:cloud_api:*:*:*:*:*:*:*:*

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