[Japanese]

JVNDB-2026-000054

Multiple vulnerabilities in "Musetheque V4 Information Disclosure for IPKNOWLEDGE"

Overview

Musetheque V4 Information Disclosure for IPKNOWLEDGE provided by Fujitsu Japan Limited contains multiple vulnerabilities listed below.
  • Cross-site scripting (CWE-79) - CVE-2026-24662
  • Cross-site request forgery (CWE-352) - CVE-2026-28761
Nozomi Iimura, Sho Odagiri of GMO Cybersecurity by Ierae, Inc. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 8.1 (High) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: Required
  • Scope: Unchanged
  • Confidentiality Impact: High
  • Integrity Impact: High
  • Availability Impact: None
CVSS v4 Severity
Base Metrics: 8.5 (High) [IPA Score]
  • Access Vector (AV): Network
  • Attack Complexity (AC): Low
  • Attack Requirements (AT): None
  • Privileges Required (PR): None
  • User Interaction (UI): Active
    • Vulnerable System Impact
  • Confidentiality Impact (VC): High
  • Integrity Impact (VI): High
  • Availability Impact (VA): None
    • Subsequent System Impact
  • Confidentiality Impact (SC): None
  • Integrity Impact (SI): None
  • Availability Impact (SA): None
The above CVSS base scores have been assigned for CVE-2026-28761

CVSS v3 Severity
Base Metrics: 5.4(Medium) [IPA Score]
  • Access Vector : Network
  • Attack Complexity : Low
  • Privileges Required : Low
  • User Interaction : Required
  • Scope : Changed
  • Confidentiality Impact : Low
  • Integrity Impact : Low
  • Availability Impact : None
CVSS v4 Severity
Base Metrics: 4.8 (Medium) [IPA Score]
  • Access Vector (AV): Network
  • Attack Complexity (AC): Low
  • Attack Requirements (AT): None
  • Privileges Required (PR): Low
  • User Interaction (UI): Active
    • Vulnerable System Impact
  • Confidentiality Impact (VC): None
  • Integrity Impact (VI): None
  • Availability Impact (VA): None
    • Subsequent System Impact
  • Confidentiality Impact (SC): Low
  • Integrity Impact (SI): Low
  • Availability Impact (SA): None
The above CVSS base scores have been assigned for CVE-2026-24662
Affected Products


Fujitsu Japan Limited
  • Musetheque V4 Information disclosure for IPKNOWLEDGE V4L1 rev2203.0 and earlier

Impact

  • If a file containing malicious contents is uploaded, an arbitrary script may be executed on a user's web browser when viewing the administration page showing the information of the file (CVE-2026-24662)
  • If a user views a malicious page while logged-in to the affected product, unexpected operations may be done (CVE-2026-28761)
Solution

[Update the Software]
Update the software to the latest version according to the information provided by the developer.
The developer has released the following version that address these vulnerabilities.
  • Musetheque V4 Information Disclosure for IPKNOWLEDGE V4L1 rev2603.1
Vendor Information

Fujitsu Japan Limited
CWE (What is CWE?)

  1. Cross-Site Request Forgery(CWE-352) [IPA Evaluation]
  2. Cross-site Scripting(CWE-79) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2026-24662
  2. CVE-2026-28761
References

  1. JVN : JVN#69128376
Revision History

  • [2026/05/15]
      Web page was published

Date Public2026/05/15
Date First Published2026/05/15
Date Last Updated2026/05/15