Vulnerability · Published May 8, 2026 · Assigned by NCSC.ch
CVE-2026-44128Unauthenticated Remote Code Execution
Critical 9.3
In plain English
A critical-severity security flaw in Secure Email Gateway from SEPPmail AG. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 58% of all known vulnerabilities).
Severity (CVSS 4.0)9.3Critical
Exploit odds (30 days)0.8%top 41.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
SEPPmail Secure Email Gateway before version 15.0.2.1 allows unauthenticated remote code execution in the new GINA UI because an endpoint passes attacker-controlled input from a parameter to Perl's eval.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| SEPPmail AG | Secure Email Gateway | 0 – before 15.0.2.1 |
Weakness: CWE-95 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N