[Japanese]

JVNDB-2026-000144

GROWI vulnerable to improper access control

Overview

GROWI provided by GROWI, Inc. contains the following vulnerability:
  • Files or Directories Accessible to External Parties (CWE-552) - CVE-2026-100727
GROWI, Inc. reported this vulnerability to JPCERT/CC to notify users of its solution through JVN. JPCERT/CC and GROWI, Inc. coordinated under the Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 5.3 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: Low
  • Integrity Impact: None
  • Availability Impact: None
CVSS v4 Severity
Base Metrics: 6.9 (Medium) [IPA Score]
  • Access Vector (AV): Network
  • Attack Complexity (AC): Low
  • Attack Requirements (AT): None
  • Privileges Required (PR): None
  • User Interaction (UI): None
  • Vulnerable System Impact
  • Confidentiality Impact (VC): Low
  • Integrity Impact (VI): None
  • Availability Impact (VA): None
  • Subsequent System Impact
  • Confidentiality Impact (SC): None
  • Integrity Impact (SI): None
  • Availability Impact (SA): None
Affected Products


GROWI, Inc.
  • GROWI versions prior to v7.5.5

Note that the product is affected when the file upload setting is configured as "Local".
Impact

A remote unauthenticated attacker may be able to read files contained in non-public pages of the product.
Solution

[Update the Software]
Update the software to the latest version. The developer has released the following version to address this vulnerability.
  • GROWI v7.5.5
Vendor Information

GROWI, Inc.
CWE (What is CWE?)

  1. No Mapping(CWE-Other) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2026-100727
References

  1. JVN : JVN#24352487
Revision History

  • [2026/10/05]
      Web page was published