Vulnerability · Published Aug 19, 2026 · Assigned by jpcert
CVE-2026-70408
High 8.8
In plain English
A high-severity incorrect authorization in acmailer CGI from Extra Innovation Inc.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 39% of all known vulnerabilities).
Severity (CVSS 3.0)8.8High
Exploit odds (30 days)0.4%top 61.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
An incorrect authorization vulnerability exists in acmailer, which may allow a user to create a sub-account that has administrative privileges.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Extra Innovation Inc. | acmailer CGI | 0 – before 4.1.2 |
| Extra Innovation Inc. | acmailer DB | 0 – before 1.2.2 |
Weakness: CWE-863 · Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H