Vulnerability · Published Nov 4, 2026 · Assigned by NCSC.ch
CVE-2026-114420LDAP wildcard injection exposes GINA recipient accounts
Medium 6.9
In plain English
A medium-severity security flaw in SEPPmail Secure Email Gateway (SEG) 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 0.4% (higher than 30% of all known vulnerabilities).
Severity (CVSS 4.0)6.9Medium
Exploit odds (30 days)0.4%top 70.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
SEPPmail Secure Email Gateway before 15.1.1 does not neutralize LDAP metacharacters in an unauthenticated account-selection input in its GINA web interface. A remote unauthenticated attacker can enumerate email addresses.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| SEPPmail AG | SEPPmail Secure Email Gateway (SEG) | 0 – before 15.1.1 |
Weakness: CWE-90 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N