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.
Published: 2026-08-11
Score: 7.5 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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References
History

Tue, 11 Aug 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 11 Aug 2026 11:30:00 +0000

Type Values Removed Values Added
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.
Title OpenSignLabs OpenSign - Insecure Direct Object Reference
Weaknesses CWE-639
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}


Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: TuranSec

Published:

Updated: 2026-08-11T14:48:32.244Z

Reserved: 2026-08-10T10:32:49.080Z

Link: CVE-2026-72543

cve-icon Vulnrichment

Updated: 2026-08-11T14:48:11.878Z

cve-icon NVD

Status : Received

Published: 2026-08-11T12:17:39.727

Modified: 2026-08-11T15:17:35.407

Link: CVE-2026-72543

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-11T18:00:25Z

Weaknesses