Threat actor Allegedly Selling Critical Severity OpenSea 0

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Threat actor Allegedly Selling Critical Severity OpenSea 0

Cybersecuritynews • February 14, 2026

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A threat actor is reportedly selling a purported critical severity zero-day exploit chain targeting OpenSea for $100000 USD in Bitcoin or Monero.

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Zero-Day Exploit for OpenSea Listed for Sale by Threat Actor A threat actor is selling a critical severity zero-day exploit chain targeting OpenSea for $100,000 USD in Bitcoin or Monero. The exploit is reported to affect the Seaport protocol's order validation logic across Ethereum Mainnet, Polygon, and Blast, and remains unpatched and undisclosed, impacting the NFT community. 2 sources 38

Extracted Entities

Attack Types (1)

Zero-day Exploit

Companies (1)