CVE-2026-75418

Path Traversal in Lektor Preview Server Allows File Disclosure

Published Aug 27, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
A path traversal vulnerability exists in the built-in preview/development web server of Lektor <3.3.14 on Windows. An attacker with network access to the server can send a crafted HTTP request containing path traversal sequences to read arbitrary files accessible to the process, disclosing sensitive information such as system files and deployment configuration files containing credentials.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Path Traversal in Lektor Preview Server Allows File Disclosure
Weaknesses CWE-22
Type Values Removed Values Added
Description A path traversal vulnerability exists in the built-in preview/development web server of Lektor <3.3.14 on Windows. An attacker with network access to the server can send a crafted HTTP request containing path traversal sequences to read arbitrary files accessible to the process, disclosing sensitive information such as system files and deployment configuration files containing credentials.
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AC:L/AV:N/A:N/C:H/I:N/PR:N/S:U/UI:N'}

Subscriptions

No data.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Sep 1, 2026, 3:00 PM
Reserved
Aug 17, 2026, 12:00 AM
Status
Deferred
Published
Aug 28, 2026, 12:18 AM
Modified
Sep 1, 2026, 9:00 PM