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Vulnerabilities CVE-2026-72543

CVE-2026-72543

High
Open
TLP:CLEAR

OpenSignLabs OpenSign - Insecure Direct Object Reference

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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.

Details

CVSS Score
7.5
EPSS Score
0.45%

37.3th percentile

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Confidence
90%
Published
Aug 11, 2026
Last Modified
Aug 11, 2026
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