CVE-2026-70408: Incorrect authorization in Extra Innovation Inc. acmailer CGI
CVE-2026-70408 is an incorrect authorization vulnerability in Extra Innovation Inc.'s acmailer CGI. This flaw allows a user to create a sub-account with administrative privileges, potentially leading to full control over the affected system. The vulnerability affects versions prior to 4.1.2 and 1.2.2. It has a high severity with a CVSS score of 8.8.
AI Analysis
Technical Summary
An incorrect authorization vulnerability exists in acmailer CGI by Extra Innovation Inc. This vulnerability permits a user to create a sub-account that possesses administrative privileges, bypassing intended access controls. The affected versions are those before 4.1.2 and 1.2.2. The CVSS 3.0 score is 8.8, indicating high impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation allows an attacker with limited privileges to escalate their access by creating sub-accounts with administrative rights. This can lead to full system compromise, including unauthorized data access, modification, and disruption of service.
Mitigation Recommendations
No patch or official fix information is provided in the available data. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict access to acmailer CGI and monitor for unauthorized account creation.
CVE-2026-70408: Incorrect authorization in Extra Innovation Inc. acmailer CGI
Description
CVE-2026-70408 is an incorrect authorization vulnerability in Extra Innovation Inc.'s acmailer CGI. This flaw allows a user to create a sub-account with administrative privileges, potentially leading to full control over the affected system. The vulnerability affects versions prior to 4.1.2 and 1.2.2. It has a high severity with a CVSS score of 8.8.
CVSS v3.0
Score 8.8high
Affected software
Extra Innovation Inc.
acmailer CGI
Extra Innovation Inc.
acmailer DB
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
An incorrect authorization vulnerability exists in acmailer CGI by Extra Innovation Inc. This vulnerability permits a user to create a sub-account that possesses administrative privileges, bypassing intended access controls. The affected versions are those before 4.1.2 and 1.2.2. The CVSS 3.0 score is 8.8, indicating high impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation allows an attacker with limited privileges to escalate their access by creating sub-accounts with administrative rights. This can lead to full system compromise, including unauthorized data access, modification, and disruption of service.
Mitigation Recommendations
No patch or official fix information is provided in the available data. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict access to acmailer CGI and monitor for unauthorized account creation.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- jpcert
- Date Reserved
- 2026-08-10T06:57:23.652Z
- Cvss Version
- 3.0
- State
- PUBLISHED
Threat ID: 6a853cf9c6e8be0332369eac
Added to database: 08/19/2026, 05:19:53 UTC
Last enriched: 09/11/2026, 10:03:47 UTC
Last updated: 10/02/2026, 14:46:10 UTC
Views: 68
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.