# CVE-2026-114420: LDAP wildcard injection exposes GINA recipient accounts

Status: published. Published: 2026-11-04. Updated: 2026-11-04.

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.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- SEPPmail AG / SEPPmail Secure Email Gateway (SEG): ≥ 0; < 15.1.1 (affected, custom). Source: CNA: NCSC.ch

## Severity and prioritization

- CVSS 4.0: 6.9 (medium); 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; source: CNA: NCSC.ch

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-90

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://docs.seppmail.com/en/20_revision-history.html (CNA: NCSC.ch)

## Provenance

- CNA: NCSC.ch: https://www.cve.org/CVERecord?id=CVE-2026-114420; retrieved 2026-11-04; source updated 2026-11-04

Revision: c4ac20023df10a05d157229c247d8c73665f083db7fa9fa9013941f272cc6904

Canonical: https://y2.dev/cve/CVE-2026-114420

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