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CVE-2026-8811— Path traversal in PDF generation module

AI Predicted 7.5 Difficulty: Easy EPSS 0.32% · P24

Possible ATT&CK Techniques 1AI

T1210 · Exploitation of Remote Services

Affected Version Matrix 1

VendorProductVersion RangeStatus
SEPPmail AGSecure Email Gateway< 15.0.5affected
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I. Basic Information for CVE-2026-8811

Vulnerability Information
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Vulnerability Title
Path traversal in PDF generation module
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: NVD (National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
SEPPmail AGSecure Email Gateway 0 ~ 15.0.5 -

II. Public POCs for CVE-2026-8811

#POC DescriptionSource LinkShenlong Link
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III. Intelligence Information for CVE-2026-8811

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IV. Related Vulnerabilities

Same product: Secure Email Gateway
Same vendor: SEPPmail AG
Same weakness: CWE-22

V. Comments for CVE-2026-8811

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