CVE-2026-124579

HIGH 7.4

aaPanel BillionMail Relay Configuration API relay.go injection

CVSS Score

7.4

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-74 CWE-707
Vendor	aapanel
Product	billionmail
Published	Nov 9, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L/E:P/RL:X/RC:C

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

aaPanel / BillionMail

4.0 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/432929 vuldb.com: https://vuldb.com/vuln/432929/cti vuldb.com: https://vuldb.com/cve/CVE-2026-124579 vuldb.com: https://vuldb.com/submit/1038400 gist.github.com: https://gist.github.com/stoic-crawler/07c4b68b76b870659ade38d0035fced8

Credits

🔍 silverdragon (VulDB User) VulDB CNA Team