CVE-2026-72543
HIGH
NVD
CVSS Score
7.5
Severity
HIGH
Published
Aug 11, 2026
Vendor
unknown
Description
An insecure direct object reference vulnerability in OpenSignLabs OpenSign through 2.37.0 allows unauthenticated remote attackers to retrieve any contact record via the getcontact Parse cloud function. The function executes with useMasterKey and performs no authentication or authorization checks before returning the requested contact object. An attacker can enumerate and read all contact records including personally identifiable information without credentials.