CVE-2026-125388
Received Received - Intake

Group-Office Missing Authorization in Form Report Download

Publication date: 2026-11-10

Last updated on: 2026-11-10

Assigner: VulnCheck

Description
Intermesh Group-Office before 6.8.181, 25.0.116, and 26.0.58 contains a missing authorization vulnerability that allows authenticated users to download form reports via api/download.php without permission checks. Attackers can request the business/forms/report blob with a form ID to export every submission as an XLSX file, disclosing submissions they are not permitted to see.

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Meta Information

Published
2026-11-10
Last Modified
2026-11-10
Generated
2026-11-10
AI Q&A
2026-11-10
EPSS Evaluated
N/A
NVD
CVE-2026-125388
EUVD
EUVD-2026-120551

Affected Vendors & Products

Showing 3 associated CPEs
Vendor Product Version / Range
Intermesh Group-Office From 0 (inc) to 6.8.181 (exc)
Intermesh Group-Office From 25.0.0 (inc) to 25.0.116 (exc)
Intermesh Group-Office From 26.0.0 (inc) to 26.0.58 (exc)

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-862 The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

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Executive Summary

This vulnerability is a missing authorization issue in Intermesh Group-Office versions before 6.8.181, 25.0.116, and 26.0.58. Authenticated users can exploit it to download form reports via api/download.php without proper permission checks. By requesting the business/forms/report blob with a form ID, attackers can export all submissions as XLSX files, gaining access to data they are not authorized to view.

Detection Guidance

Check Group-Office versions before 6.8.181, 25.0.116, and 26.0.58 for unauthorized access to api/download.php. Monitor logs for suspicious XLSX file downloads via business/forms/report with form IDs.

Impact Analysis

This vulnerability allows unauthorized users to access and download sensitive form submissions, potentially exposing confidential data. If exploited, it could lead to data breaches, loss of sensitive information, and reputational damage for organizations using affected Group-Office versions.

Compliance Impact

This vulnerability can lead to non-compliance with GDPR, HIPAA, and other data protection regulations due to unauthorized data access. It may result in legal penalties, fines, and loss of trust from customers or partners if sensitive data is exposed.

Mitigation Strategies

Upgrade Group-Office to versions 6.8.181, 25.0.116, or 26.0.58 or later. Restrict access to api/download.php and validate user permissions for form report downloads.

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