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.
Metrics
Affected Vendors & Products
References
History
Wed, 21 Oct 2026 02:30:00 +0000
| Type | Values Removed | Values Added |
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| Metrics |
ssvc
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Mon, 19 Oct 2026 13:15:00 +0000
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|---|---|---|
| First Time appeared |
Aapanel
Aapanel billionmail |
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| Vendors & Products |
Aapanel
Aapanel billionmail |
Thu, 15 Oct 2026 22:00:00 +0000
| Type | Values Removed | Values Added |
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| Description | 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. | |
| Title | BillionMail through 4.9 Forgeable JWTs via Default Signing Key | |
| Weaknesses | CWE-1394 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: VulnCheck
Published: 2026-10-15T21:43:50.886Z
Updated: 2026-10-21T01:53:10.056Z
Reserved: 2026-10-15T21:21:22.403Z
Link: CVE-2026-111367
Updated: 2026-10-21T01:53:03.491Z
Status : Deferred
Published: 2026-10-15T22:19:34.703
Modified: 2026-10-21T02:17:06.403
Link: CVE-2026-111367
No data.