CVE

CVE-2021-40978

7.5

CVSS

Description

The mkdocs 1.2.2 built-in dev-server allows directory traversal using the port 8000, enabling remote exploitation to obtain :sensitive information. NOTE: the vendor has disputed this as described in https://github.com/mkdocs/mkdocs/issues/2601.] and https://github.com/nisdn/CVE-2021-40978/issues/1

Attack Vector

Privileges Req.

User Interaction

Updated Sep 26, 2026View on NVD →

S4E scanner

highProduct Based Web Vulnerabilities~10 seconds

CVE-2021-40978 Scanner

Detects 'Directory Traversal' vulnerability in mkdocs affects v. 1.2.2.

Used 2.2k times · 3.3k assets checked · url

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