User Profile Pivoting Vulnerability in Gardyn's API
CVE-2026-25197

9.3CRITICAL

Key Information:

Vendor

Gardyn

Status
Cloud Api
Vendor
CVE Published:
3 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-25197?

A security flaw exists within the Gardyn API that permits authenticated users to access and modify data related to other user profiles. By manipulating the identifier in API calls, an attacker can gain unintended access to sensitive information, potentially leading to unauthorized data exposure and privacy risks.

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Affected Version(s)

Cloud API 0 < 2.12.2026

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-25197
Created by MichaelAdamGroberman

References

https://www.cisa.gov/news-events/ics-advisories/icsa-26-0...
https://mygardyn.com/security/
https://github.com/cisagov/CSAF/blob/develop/csaf_files/O...

CVSS V4

Score:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Michael Groberman reported these vulnerabilities to CISA.
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