SEPPmail SecureEmailGateway <15.0.3: Email Address Leak of Encrypted Mails
CVE-2026-29131 Published on April 2, 2026
PGP Decryption Recipient LDAP Injection
SEPPmail Secure Email Gateway before version 15.0.3 allows attackers with a specially crafted email address to read the contents of emails encrypted for other users.
Timeline
Vulnerability disclosed to SEPPmail
Version 15.0.3 released 123 days later.
Weakness Type
What is a LDAP Injection Vulnerability?
The software constructs all or part of an LDAP query using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended LDAP query when it is sent to a downstream component.
CVE-2026-29131 has been classified to as a LDAP Injection vulnerability or weakness.
Products Associated with CVE-2026-29131
Want to know whenever a new CVE is published for Seppmail Secure Email Gateway? stack.watch will email you.
Affected Versions
SEPPmail Secure Email Gateway:- Before 15.0.3 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.