CVE-2026-104059 – Lektor 3.3.14 CSRF via Admin API Endpoints

​CVE ID :CVE-2026-104059

Published : Oct. 1, 2026, 6:17 p.m. | 1 hour, 3 minutes ago

Description :Lektor 3.3.14 and 3.4.0b15 contains a cross-site request forgery vulnerability in the admin API blueprint that allows unauthenticated attackers to perform state-changing actions by sending cross-origin requests without CSRF tokens, Origin/Referer validation, CORS configuration, or Host allowlisting. Attackers can exploit the newattachment, deleterecord, build, clean, and publish endpoints from a malicious web page to write arbitrary files, delete pages, wipe build output, trigger deployment publication, and via DNS rebinding reach read endpoints to disclose data.

Severity: 8.1 | HIGH

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