CVE-2026-105272
Deferred Deferred - Pending Action

Authorization Bypass in GROWI Page Viewing

Publication date: 2026-10-28

Last updated on: 2026-10-28

Assigner: JPCERT/CC

Description
GROWI contains an authorization bypass vulnerability in its page viewing and commenting functionality due to improper use of a user-controlled key. By exploiting this vulnerability, an authenticated attacker may obtain the contents and comments of pages without the required read permission.

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Meta Information

Published
2026-10-28
Last Modified
2026-10-28
Generated
2026-10-28
AI Q&A
2026-10-28
EPSS Evaluated
N/A
NVD
CVE-2026-105272
EUVD
EUVD-2026-111555

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
GROWI, Inc. GROWI v3.2.10

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-639 The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.

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Executive Summary

GROWI has an authorization bypass flaw in page viewing and commenting due to improper use of a user-controlled key. An authenticated attacker can exploit this to access page contents and comments without required read permissions.

Impact Analysis

If you use GROWI, an attacker with valid credentials may read restricted pages or comments, leading to unauthorized data exposure. This could result in sensitive information leaks or compliance violations.

Compliance Impact

This vulnerability may violate data protection regulations like GDPR or HIPAA by allowing unauthorized access to sensitive information, potentially leading to legal penalties or reputational damage.

Mitigation Strategies

Apply the latest security patches or updates provided by GROWI to fix the authorization bypass issue. Ensure proper access controls are enforced for page viewing and commenting functionality.

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