Security Advisory

CVE-2026-49996

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-08-20 18:55:57

Last updated 2026-08-20 19:48:57

Assigner GitHub_M

CVSS score 3.7

State PUBLISHED

Description

SecureDrop Client is a desktop app for journalists to securely communicate with sources and handle submissions on the SecureDrop Workstation. Prior to version 1.3.1, a malicious SecureDrop Server could bypass securedrop-proxy's origin limitation by responding with cross-origin redirects. SecureDrop Server itself has multiple layers of built-in hardening, and is a dedicated physical machine exposed on the internet only via Tor hidden services for the Source and Journalist interfaces, and optionally via remote SSH access over another Tor hidden service. A newsroom's SecureDrop Workstation communicates only with its own dedicated SecureDrop Server. Version 1.3.1 fixes the issue.

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