CVE-2026-2747 PGP Mixed Plaintext and Encrypted Content

SEPPmail Secure Email Gateway before version 15.0.1 decrypts inline PGP messages without isolating them from surrounding unencrypted content, allowing exposure of sensitive information to an unauthorized actor...

CVE-2026-2747

SEPPmail Secure Email Gateway before version 15.0.1 decrypts inline PGP messages without isolating them from surrounding unencrypted content, allowing exposure of sensitive information to an unauthorized actor...

CVE-2026-2747

Summary: CVE-2026-2747 affects SEPPmail Secure Email Gateway. The vulnerability arises because versions prior to 15.0.1 decrypt inline PGP messages without isolating them from surrounding unencrypted content, potentially exposing sensitive information to an unauthorized actor. This is described a...

CVE-2026-2747 PGP Mixed Plaintext and Encrypted Content

SEPPmail Secure Email Gateway before version 15.0.1 decrypts inline PGP messages without isolating them from surrounding unencrypted content, allowing exposure of sensitive information to an unauthorized actor...

CVE-2026-27443

CVE-2026-27443 affects SEPPmail Secure Email Gateway prior to version 15.0.1. The issue is that headers from S/MIME protected MIME entities are not properly sanitized, enabling an attacker to control trusted headers. According to the connected CVE record, the vulnerability is exploitable over net...

CVE-2026-27443 S/MIME Decryption Tag Sanitization Bypass

SEPPmail Secure Email Gateway before version 15.0.1 does not properly sanitize the headers from S/MIME protected MIME entities, allowing an attacker to control trusted headers...

CVE-2026-27443

SEPPmail Secure Email Gateway before version 15.0.1 does not properly sanitize the headers from S/MIME protected MIME entities, allowing an attacker to control trusted headers...

CVE-2026-2746 Missing PGP Signature Tag

SEPPmail Secure Email Gateway before version 15.0.1 does not properly communicate PGP signature verification results, leaving users unable to detect forged emails...

CVE-2026-2746

SEPPmail Secure Email Gateway (pre-15.0.1) has a flaw in how it communicates PGP signature verification results, preventing detection of forged emails. Affected product: SEPPmail Secure Email Gateway prior to version 15.0.1. Root cause: incomplete/incorrect reporting of PGP verification outcomes....

CVE-2026-2746

SEPPmail Secure Email Gateway before version 15.0.1 does not properly communicate PGP signature verification results, leaving users unable to detect forged emails...

CVE-2026-2746 Missing PGP Signature Tag

SEPPmail Secure Email Gateway before version 15.0.1 does not properly communicate PGP signature verification results, leaving users unable to detect forged emails...

PT-2026-22895

SEPPmail Secure Email Gateway before version 15.0.1 improperly validates S/MIME certificates issued for email addresses containing whitespaces, allowing signature spoofing...

SEPPmail Secure Email Gateway 安全漏洞

SEPPmail Secure Email Gateway is an email security gateway developed by the German company SEPPmail. Versions of SEPPmail Secure Email Gateway prior to version 15.0.1 contained security vulnerabilities, which were due to insufficient PDF encryption and password encoding. These vulnerabilities cou...

SEPPmail Secure Email Gateway 安全漏洞

SEPPmail Secure Email Gateway is an email security gateway developed by the German company SEPPmail. Versions of SEPPmail Secure Email Gateway prior to version 15.0.1 contained security vulnerabilities. These vulnerabilities stemmed from improper verification of whether the PGP signature was...

CVE-2026-2748: Improper Certificate Validation

SEPPmail Secure Email Gateway before version 15.0.1 improperly validates S/MIME certificates issued for email addresses containing whitespaces, allowing signature spoofing...

CVE-2026-2746: Improper Verification of Cryptographic Signature

SEPPmail Secure Email Gateway before version 15.0.1 does not properly communicate PGP signature verification results, leaving users unable to detect forged emails...

CVE-2026-27444: Interpretation Conflict

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...

CVE-2026-27442: Improper Limitation of a Pathname to a Restricted Directory

The GINA web interface in SEPPmail Secure Email Gateway before version 15.0.1 does not properly check attachment filenames in GINA-encrypted emails, allowing an attacker to access files on the gateway...

CVE-2026-2747: Exposure of Sensitive Information to an Unauthorized Actor

SEPPmail Secure Email Gateway before version 15.0.1 decrypts inline PGP messages without isolating them from surrounding unencrypted content, allowing exposure of sensitive information to an unauthorized actor...

CVE-2026-27445: Improper Verification of Cryptographic Signature

SEPPmail Secure Email Gateway before version 15.0.1 does not properly verify that a PGP signature was generated by the expected key, allowing signature spoofing...