Odaily Planet Daily reported on November 11, 2026, that Bitcoin News posted on X that Bitcoin Core had disclosed a high-severity vulnerability. Affected miners may be unable to produce valid blocks after a chain reorganization.
What was disclosed
The issue is CVE-2025-62861. It affects Bitcoin Core 28.0 through 28.2 and 29.0 through 29.1. Security researcher Niklas Goegge discovered the vulnerability. Fixed versions were released in October 2025. According to the Odaily report, the vulnerability details were made public on the day of that report.
Boundaries of the report
The account attributes the disclosure to the Bitcoin News post about Bitcoin Core. The item does not describe active exploitation, how many miners were still on the listed versions, or any observed effect on the chain. The only stated condition is that affected miners might fail to produce a valid block after a reorganization, and the stated remedy is the fix released in October 2025.
Odaily newsflash, November 11, 2026, 10:03 (UTC+8).
