Findings

CVE-2026-29141

SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to bypass subject sanitization and forge tags such as [signed OK].

Published Apr 2, 2026 · updated Jun 17, 2026 · seppmail secure email gateway

SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to bypass subject sanitization and forge tags such as [signed OK].

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 2, 2026 · NIST NVD

    Detected

    SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to bypass subject sanitization and forge tags such as [signed OK].

  2. Jun 17, 2026 · NIST NVD

    Updated

    SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to bypass subject sanitization and forge tags such as [signed OK].

Affected

  • cpe seppmail/secure email gatewayversion unspecified

Sources

  • CVE.orgVulnerability recordCVE-2026-29141

    Official CVE identifier

    cve.org
  • NIST NVDVulnerability recordCVE-2026-29141

    SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to bypass subject sanitization and forge tags such as [signed OK].

    nvd.nist.gov

References

CVE-2026-29141 · ZeroDay Findings