CVE-2026-29144 affects SEPPmail Secure Email Gateway versions prior to 15.0.3, allowing attackers to bypass subject sanitization and forge security tags using Unicode lookalike characters. This vulnerability carries a CVSS score of 7.8 (High) due to its network attack vector and low attack complexity, enabling a remote attacker to achieve high integrity impact by forging security tags. There is currently no evidence of active exploitation, nor are public exploit codes available in common repositories like Metasploit or ExploitDB, with only minimal community discussion observed.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 15.0.3CPE matchmatch criteria | cpe:2.3:a:seppmail:secure_email_gateway:*:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.