CVE-2026-70408

State: Published
Severity: 8.7 High
Published: Aug 19, 2026
Updated: Aug 19, 2026
Reserved: Aug 10, 2026

Description

An incorrect authorization vulnerability exists in acmailer, which may allow a user to create a sub-account that has administrative privileges.

Scores

CVSS	Score	Vector	Source
4.0	8.7 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N	jpcert
3.0	8.8 High	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	jpcert

Weaknesses

CWE-863 Incorrect authorization

Affected Products

Product	Versions
acmailer CGIExtra Innovation Inc.	before 4.1.2Affected
acmailer DBExtra Innovation Inc.	before 1.2.2Affected

References

https://www.acmailer.jp/info/de.cgi?id=119
https://jvn.jp/en/jp/JVN47716829/

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