Answer in brief
CVE-2026-124579 records a Medium severity (CVSS 5.3) vulnerability in aaPanel BillionMail Relay Configuration API relay.go injection. The current sources do not mark it as known exploited. The current feed maps aaPanel/BillionMail (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 5.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps aaPanel/BillionMail (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| aaPanel/BillionMailgeneric | 4.0 || 4.1 || 4.2 || 4.3 || 4.4 || 4.5 || 4.6 || 4.7 || 4.8 || 4.9 | Not reported |
Published upstream
Nov 9, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Nov 9, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Nov 9, 2026
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.
Quoted source text, attributed separately from HOL analysis.