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No exploitation reportedAwaiting NVD analysis

CVE-2026-124579

aaPanel BillionMail Relay Configuration API relay.go injection

No exploitation reported by the sources we read.

  • Published2026-11-09
  • WeaknessCWE-707 · CWE-74

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2026-11-0907:45CVE publishedCNA

Versions per branch

Products declared by the CNA

As VulDB, the CNA that assigned this CVE, declared them in the CVE record; versions as written. NVD lists no product for this CVE yet: this is the only product data so far.

  • aaPanel BillionMail
    Affected
    • = 4.0no fix stated
    • = 4.1no fix stated
    • = 4.2no fix stated
    • = 4.3no fix stated
    • = 4.4no fix stated
    • = 4.5no fix stated
    • = 4.6no fix stated
    • = 4.7no fix stated

    2 more version lines in the CVE record.

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-11-09

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2026-124579 yet.

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVE record2026-11-09
  • CNACVSS 4.05.32026-11-09
  • CNACVSS 3.17.42026-11-09
  • CNACVSS 3.07.42026-11-09
  • CNACVSS 2.06.52026-11-09
  • CNAweakness (CWE)CWE-707, CWE-742026-11-09

Technical details

CVSS v3 Vector
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
CVSS 4.0 vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P
Published
2026-11-09

Frequently asked questions

What is CVE-2026-124579?

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.

Is CVE-2026-124579 actively exploited?

Active exploitation of CVE-2026-124579 has not been confirmed.

What is the CVSS score for CVE-2026-124579?

CVE-2026-124579 has a CVSS v3 base score of 7.4 (HIGH severity), with vector string 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.

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