[Japanese]

JVNDB-2026-000104

Permissive regular expression vulnerability in Tegalog -Fumy Otegaru Memo Logger-

Overview

Tegalog -Fumy Otegaru Memo Logger- provided by Nishishi Factory contains the following vulnerability:
  • Permissive Regular Expression (CWE-625) - CVE-2026-64940
Yuji Tounai of Mitsui Bussan Secure Directions, 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 8.6 (High) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: Low
  • Integrity Impact: High
  • Availability Impact: Low
CVSS v4 Severity
Base Metrics: 8.8 (High) [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): High
  • Availability Impact (VA): Low
    • Subsequent System Impact
  • Confidentiality Impact (SC): None
  • Integrity Impact (SI): None
  • Availability Impact (SA): None
Affected Products


Nishishi Factory
  • Tegalog -Fumy Otegaru Memo Logger- Ver 4.8.4 and earlier

Impact

An attacker who can access the affected product may log in to the management console. As a result, the attacker may perform any operations available from the management console.
Solution

[Update the CGI]
Apply the latest update according to the information provided by the developer.
Vendor Information

Nishishi Factory
CWE (What is CWE?)

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

  1. CVE-2026-64940
References

  1. JVN : JVN#99975039
Revision History

  • [2026/07/29]
      Web page was published

Date Public2026/07/29
Date First Published2026/07/29
Date Last Updated2026/07/29