# Bitcoin Core Discloses Three Fixed Vulnerabilities, One Affecting Mining

By Simon Yoon

Canonical URL: https://www.tokenpost.com/news/technology/54916
Published: 2026-11-12T04:31:34.000Z
Updated: 2026-11-12T04:31:34.000Z
Section: Technology

> A high-severity flaw could leave miners unable to generate block templates.

Bitcoin Core disclosed three software vulnerabilities that have been fixed, including one high-severity flaw that could leave miners unable to generate block templates. A block template is a candidate block prepared by the software for a miner.