Seppmail Secure Email Gateway

22 CVEs affecting Seppmail Secure Email Gateway. Latest disclosed: 2026-04-02. Critical: 0, High: 0.

Top CVEs affecting Seppmail Secure Email Gateway
CVESeverityScorePublishedSummary
CVE-2026-291362026-04-02SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to inject HTML into notification emails about new CA certificates.
CVE-2026-291392026-04-02SEPPmail Secure Email Gateway before version 15.0.3 allows account takeover by abusing GINA account initialization to reset a victim account password.
CVE-2026-291442026-04-02SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to bypass subject sanitization and forge security tags using Unicode lookalike character…
CVE-2026-291432026-04-02SEPPmail Secure Email Gateway before version 15.0.3 does not properly authenticate the inner message of S/MIME-encrypted MIME entities, allowing an attacker to…
CVE-2026-291382026-04-02SEPPmail Secure Email Gateway before version 15.0.3 allows attackers with a specially crafted email address to claim another user's PGP signature as their own.
CVE-2026-291312026-04-02SEPPmail 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…
CVE-2026-291422026-04-02SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to forge a GINA-encrypted email.
CVE-2026-291372026-04-02SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to hide security tags from users by crafting a long subject.
CVE-2026-291412026-04-02SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to bypass subject sanitization and forge tags such as [signed OK].
CVE-2026-291352026-04-02SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to craft a password-tag that bypasses subject sanitization.
CVE-2026-291342026-04-02SEPPmail Secure Email Gateway before version 15.0.3 allows an external user to modify GINA webdomain metadata and bypass per-domain restrictions.
CVE-2026-291402026-04-02SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to cause attacker-controlled certificates to be used for future encryption to a victim b…
CVE-2026-291332026-04-02SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to upload PGP keys with UIDs that do not match their email address.
CVE-2026-291322026-04-02SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker with access to a victim's GINA account to bypass a second-password check and read protec…
CVE-2026-274412026-03-04SEPPmail Secure Email Gateway before version 15.0.1 insufficiently neutralizes the PDF encryption password, allowing OS command execution.
CVE-2026-27482026-03-04SEPPmail Secure Email Gateway before version 15.0.1 improperly validates S/MIME certificates issued for email addresses containing whitespaces, allowing signat…
CVE-2026-274422026-03-04The GINA web interface in SEPPmail Secure Email Gateway before version 15.0.1 does not properly check attachment filenames in GINA-encrypted emails, allowing a…
CVE-2026-274452026-03-04SEPPmail Secure Email Gateway before version 15.0.1 does not properly verify that a PGP signature was generated by the expected key, allowing signature spoofin…
CVE-2026-274442026-03-04SEPPmail Secure Email Gateway before version 15.0.1 incorrectly interprets email addresses in the email headers, causing an interpretation conflict with other…
CVE-2026-27472026-03-04SEPPmail Secure Email Gateway before version 15.0.1 decrypts inline PGP messages without isolating them from surrounding unencrypted content, allowing exposure…