🔐 CVE Alert

CVE-2026-25197

CRITICAL 9.1

Gardyn Cloud API Authorization Bypass Through User-Controlled Key

CVSS Score
9.1
EPSS Score
0.0%
EPSS Percentile
8th

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

CWE CWE-639
Vendor gardyn
Product cloud api
Published Apr 3, 2026
Last Updated Apr 7, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

Affected Versions

Gardyn / Cloud API
0 < 2.12.2026

References

NVD ↗ CVE.org ↗ EPSS Data ↗
cisa.gov: https://www.cisa.gov/news-events/ics-advisories/icsa-26-055-03 mygardyn.com: https://mygardyn.com/security/ github.com: https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-055-03.json

Credits

Michael Groberman reported these vulnerabilities to CISA.