Signal is active with 3 mentions in latest observed window
Recommended action window: Monitor and triage in normal cycle
NVD description
SEPPmail Secure Email Gateway before version 15.0.1 improperly validates S/MIME certificates issued for email addresses containing whitespaces, allowing signature spoofing.
Priority
LOW
Exploitation
NONE
PoC
NONE
Patch
NONE
Momentum
NONE
If you run products in this scope, you should treat this CVE as relevant to your environment.
⚡ New CVE Alert: CVE-2026-2748 📊 Severity: 7.8 🚨 Risk Level: High 🧩 Affects: Multiple / Unspecified Products Reference: https://nvd.nist.gov/vuln/detail/CVE-2026-2748 #CVE-2026-2748 #CVE #High #CyberSecurity #InfoSec https://t.co/cgVx8nXUPn
Post summary
The tweet announces CVE‑2026‑2748 with a CVSS score of 7.8 and a high risk level, linking to the NVD page, but offers no PoC, exploit, patch, or detailed vulnerability type.
🚨*CVE* CVE-2026-2748 SEPPmail Secure Email Gateway before version 15.0.1 improperly validates S/MIME certificates issued for email addresses containing whitespaces, allowing signature spoof… https://www.cve.org/CVERecord?id=CVE-2026-2748 ----- Traducción: CVE-2026-2748 SEP… http://infoflow.cloud`
Post summary
The post announces CVE-2026-2748, detailing a flaw in SEPPmail Secure Email Gateway that allows signature spoofing due to whitespace handling in S/MIME certificates.
CVE-2026-2748 SEPPmail Secure Email Gateway before version 15.0.1 improperly validates S/MIME certificates issued for email addresses containing whitespaces, allowing signature spoof… https://www.cve.org/CVERecord?id=CVE-2026-2748
Post summary
The CVE details a flaw in SEPPmail Secure Email Gateway that permits signature spoofing by failing to validate S/MIME certificates with whitespace in the email address.
1 of 1 entries
| Part | Vendor | Product | Version | Target SW | Target HW |
|---|---|---|---|---|---|
| App | seppmail | seppmail | - | - | - |