High severity · published Apr 3, 2026
CVE-2026-25197
Gardyn Cloud API Authorization Bypass Through User-Controlled Key
8.1
CVSS
0.3%
EPSS
No
On KEV
Description
A specific endpoint allows authenticated users to pivot to other user profiles by modifying the id number in the API call.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 22% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CA
Cloud API · Gardyn
before 2.12.2026 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-25197
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-25197
Third Party Advisory
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-055-03.json
Vendor Advisory
https://mygardyn.com/security/
Third Party Advisory
https://www.cisa.gov/news-events/ics-advisories/icsa-26-055-03
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