CVE-2026-27444
Header Email Address Parsing
- State
- Published
- Severity
- 7.8 High
- Published
- Mar 4, 2026
- Updated
- Mar 4, 2026
- Reserved
- Feb 19, 2026
Description
SEPPmail Secure Email Gateway before version 15.0.1 incorrectly interprets email addresses in the email headers, causing an interpretation conflict with other mail infrastructure that allows an attacker to fake the source of the email or decrypt it.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 7.8 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:L/SI:H/SA:N | NCSC.ch |
Weaknesses
- CWE-436 Interpretation Conflict
Affected Products
| Product | Versions |
|---|---|
Secure Email GatewaySEPPmail |
|
References
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.