CVE-2026-124579 Details
Description
A vulnerability was determined in aaPanel BillionMail up to 4.9. Affected by this issue is some unknown functionality of the file core/api/relay/v1/relay.go of the component Relay Configuration API. Executing a manipulation of the argument helo_name can lead to injection. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
A remote code execution vulnerability has been identified in aaPanel BillionMail versions through 4.9. The issue resides in the Relay Configuration API, specifically within the file core/api/relay/v1/relay.go. The vulnerability allows for injection by manipulating the helo_name argument. Exploitation involves injecting a service definition that is then executed by the Postfix mail server as the 'nobody' user, resulting in a reverse shell.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Nov 9, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://gist.github.com/stoic-crawler/07c4b68b76b870659ade38d0035fced8 | [email protected] | ExploitTechnical Description |
| https://vuldb.com/cve/CVE-2026-124579 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/submit/1038400 | [email protected] | Issue TrackingPermission Required |
| https://vuldb.com/vuln/432929 | [email protected] | BundlePermission Required |
| https://vuldb.com/vuln/432929/cti | [email protected] | AdvisoryPermission Required |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-707 | Improper Neutralization | [email protected] |
| CWE-74 | Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| aaPanel BillionMail | <= 4.9 |
CPE
Remediation
| |
Change History
1 change record found show changes
| Date | Action | Recorded By |
|---|---|---|
| Nov 9, 2026 | New CVE Received | [email protected] |