CVE-2026-64940 - Tegalog -Fumy Otegaru Memo Logger- provided by Nishishi Factory contains a vulnerability due to a permissive regular expression, which may allow an attacker who can access the affected product to log in to the management console

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HIGH

Tegalog -Fumy Otegaru Memo Logger- provided by Nishishi Factory contains a vulnerability due to a permissive regular expression, which may allow an attacker who can access the affected product to log in to the management console

Published Aug 10, 2026

8.8

HIGH

CVSS 4.0

EPSS 0.40%

Description

Tegalog -Fumy Otegaru Memo Logger- provided by Nishishi Factory contains a vulnerability due to a permissive regular expression, which may allow an attacker who can access the affected product to log in to the management console. As a result, the attacker may perform any operations available from the management console.

Affected products

Vendor Nishishi Factory Product Tegalog -Fumy Otegaru Memo Logger- Default
unaffected
- Version
  0
  Status
  affected
  Constraints
  <=4.8.4

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Nishishi Factory

Tegalog -Fumy Otegaru Memo Logger-

unaffected

Version	Status	Constraints
0	affected	<=4.8.4

Remediation

No remediation recorded yet.

Weaknesses (1)

CWE-625

References (2)

Link	Providers	Tags
https://jvn.jp/en/jp/JVN99975039/
https://www.nishishi.com/cgi/tegalog/info/notice20260629.shtml

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner jpcert

Published Aug 10, 2026

Updated Aug 10, 2026

Reserved Jul 27, 2026

Link CVE-2026-64940

CISA Vulnrichment

Updated Aug 10, 2026

NVD

Status Deferred

Modified Aug 28, 2026

Link CVE-2026-64940

Red Hat

Severity n/a

Public date n/a

Links CVE-2026-64940