CVE-2026-75418

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.

CVSS v3.1

7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS

0.30% chance of exploitation in the next 30 days, 22th percentile

Published

2026-08-27

Proof-of-concept exploits (1)

• TKar0/TKar0-CvePoc/tree/main/2026-CVE-POC/CVE-2026-75418

References

• CVE Record
• NVD entry

Related

• CVE-2026-75417
• CVE-2026-75419
• CVE-2026-7538
• CVE-2026-7545
• CVE-2026-7537
• CVE-2026-7546