"A zero-day bug caused a DoS attack that disrupted major mining pools. Non-updated mining nodes allowed an invalid MWEB transaction allowing them to peg out coins to third party DEX's."
"The reorg covered roughly 32 minutes of chain history. Mining pools reportedly coordinated a defensive reorg over approximately three hours to reverse those invalid transactions."
"The bug is now fully patched, and the network continues to operate normally. All valid transactions during that period remain unaffected."
"Core developers privately discovered and patched the MWEB consensus vulnerability between March 19 and March 26, 2026, more than five weeks before the April 25 exploit."
On April 25, 2026, Litecoin's network faced a 13-block reorg caused by a zero-day bug in the MWEB layer, leading to a denial-of-service attack on mining pools. Non-updated nodes accepted invalid transactions, allowing attackers to peg out coins to decentralized exchanges. A defensive reorg was coordinated by mining pools to reverse these invalid transactions, ensuring no valid transactions were lost. The bug was patched privately in March 2026, and the network stabilized after miners adopted the updated client. Reported exposure from the incident was around $600,000, but losses were mitigated by the reorg.
Read at news.bitcoin.com
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