CVE-2026-2747
Information Exposure via Improper PGP Decryption in SEPPmail
Publication date: 2026-03-04
Last updated on: 2026-03-05
Assigner: Switzerland Government Common Vulnerability Program
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| seppmail | seppmail | to 15.0.1 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-200 | The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability exists in SEPPmail Secure Email Gateway versions before 15.0.1. It involves the software decrypting inline PGP messages without properly isolating them from the surrounding unencrypted content. As a result, sensitive information contained within these messages can be exposed to unauthorized actors.
How can this vulnerability impact me? :
The impact of this vulnerability is the potential exposure of sensitive information to unauthorized individuals. Because the decrypted PGP messages are not isolated from unencrypted content, confidential data could be inadvertently revealed, leading to information leakage and possible compromise of privacy or security.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know