How severe is CVE-2026-28767?

CVE-2026-28767 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-28767 being actively exploited?

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

What products are affected by CVE-2026-28767?

CVE-2026-28767 affects Mygardyn Cloud Api. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-28767?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-28767 have an EU (EUVD) identifier?

Yes. CVE-2026-28767 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-18841.

When was CVE-2026-28767 published?

CVE-2026-28767 was published on 2026-04-03 and last updated on 2026-06-17.

CVE-2026-28767

CVE-2026-28767 is a medium-severity vulnerability in Mygardyn Cloud Api with a CVSS 3.x base score of 5.3. 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-306.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v4: 6.9
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-18841
Weakness: CWE-306
Affected product: Mygardyn Cloud Api
Published: 2026-04-03
Last modified: 2026-06-17

Description

A specific administrative endpoint notifications is accessible without proper authentication.

Frequently asked questions

What is CVE-2026-28767?: A specific administrative endpoint notifications is accessible without proper authentication.
How severe is CVE-2026-28767?: CVE-2026-28767 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-28767 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-28767?: CVE-2026-28767 affects Mygardyn Cloud Api. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-28767?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-28767 have an EU (EUVD) identifier?: Yes. CVE-2026-28767 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-18841.
When was CVE-2026-28767 published?: CVE-2026-28767 was published on 2026-04-03 and last updated on 2026-06-17.

References

Affected products (1)

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

More vulnerabilities in Mygardyn Cloud Api

CVE-2026-28766 — Critical (CVSS 9.3): A specific endpoint exposes all user account information for registered Gardyn users without requiring authentication.
CVE-2026-25197 — Critical (CVSS 9.1): A specific endpoint allows authenticated users to pivot to other user profiles by modifying the id number in the API…
CVE-2026-32646 — High (CVSS 7.5): A specific administrative endpoint is accessible without proper authentication, exposing device management functions.
CVE-2026-32662 — Medium (CVSS 5.3): Development and test API endpoints are present that mirror production functionality.

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