CVE-2026-8811
Path traversal in PDF generation module
Description
SEPPmail versions before 15.0.5 allow improper handling of attachment filenames during encrypted PDF generation. An attacker can exploit this to create new files outside the intended directory, potentially placing files in web-accessible locations.
INFO
Published Date :
June 18, 2026, 9:05 a.m.
Last Modified :
June 18, 2026, 9:05 a.m.
Remotely Exploit :
Yes !
Source :
NCSC.ch
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | HIGH | 455daabc-a392-441d-aa46-37d35189897c |
Solution
- Update SEPPmail to version 15.0.5 or later.
- Verify attachment handling security controls.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
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The following list is the news that have been mention
CVE-2026-8811 vulnerability anywhere in the article.