← CVE Intelligence

CVE-2026-111367

BillionMail through 4.9 Forgeable JWTs via Default Signing Key PUBLISHED

Description (CNA)

BillionMail through 4.9 contains a hard-coded cryptographic key vulnerability that allows unauthenticated attackers to forge unsubscribe and subscribe-confirm JWTs by computing the key from shipped configuration constants. Attackers can submit forged tokens to /api/unsubscribe, /api/unsubscribe_new, or /api/subscribe/confirm to deactivate any contact or force confirmed subscriptions.

Affected (CNA)

Vendor / productVersions
aaPanel / BillionMailaffected 0 through 4.9

CWE

CWE-1394

References

ADP enrichment

CISA-ADP

No English description supplied.