{"id":557659,"date":"2026-02-18T13:52:57","date_gmt":"2026-02-18T13:52:57","guid":{"rendered":"https:\/\/e-bitco.in\/index.php\/2026\/02\/18\/moonwell-hit-by-1-78m-exploit-as-ai-vibe-coding-debate-reaches-defi\/"},"modified":"2026-02-18T13:52:57","modified_gmt":"2026-02-18T13:52:57","slug":"moonwell-hit-by-1-78m-exploit-as-ai-vibe-coding-debate-reaches-defi","status":"publish","type":"post","link":"https:\/\/e-bitco.in\/index.php\/2026\/02\/18\/moonwell-hit-by-1-78m-exploit-as-ai-vibe-coding-debate-reaches-defi\/","title":{"rendered":"Moonwell hit by $1.78M exploit as AI vibe coding debate reaches DeFi"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/images.cointelegraph.com\/images\/840_aHR0cHM6Ly9zMy5jb2ludGVsZWdyYXBoLmNvbS91cGxvYWRzLzIwMjYtMDIvMDE5YzcwYjMtNTM2Ni03ZTI5LTlkYzgtZTg0YTRhZGU0ZTQ0LmpwZw==.jpg\" alt=\"Moonwell hit by $1.78M exploit as AI vibe coding debate reaches DeFi\" class=\"type:primaryImage\" \/><\/p>\n<p>The exploit saw the Moonwell protocol exploited for $1.78 million after cbETH was mispriced at $1.12 instead of about $2,200, intensifying debate around AI-co-authored smart contracts.<\/p>\n<p>Moonwell, a decentralized finance (DeFi) lending protocol deployed on Base and Optimism, was exploited for about $1.78 million after a pricing oracle for Coinbase Wrapped Staked ETH (cbETH) returned a value of about $1.12 instead of $2,200, creating a mispricing that attackers were able to use for profit.<\/p>\n<p>Moonwell <a href=\"https:\/\/forum.moonwell.fi\/t\/mip-x43-cbeth-oracle-incident-summary\/2068\" rel=\"nofollow noopener\" target=\"_blank\" title=\"https:\/\/forum.moonwell.fi\/t\/mip-x43-cbeth-oracle-incident-summary\/2068\">said<\/a> in an incident post-mortem that a governance proposal executed on Sunday misconfigured the cbETH oracle by using the cbETH\/ETH exchange rate alone, causing the system to report cbETH at about $1.12. The protocol said liquidation bots and opportunistic borrowers exploited the mispricing, leaving roughly $1.78 million in bad debt.<\/p>\n<p data-ct-non-breakable=\"undefined\">The <a href=\"https:\/\/github.com\/moonwell-fi\/moonwell-contracts-v2\/pull\/578\" rel=\"noopener nofollow\" target=\"_blank\">pull requests<\/a> for the affected contracts show multiple commits co-authored by Anthropic\u2019s Claude Opus 4.6, prompting security auditor Pashov to publicly <a href=\"https:\/\/x.com\/pashov\/status\/2023872510077616223\" rel=\"noopener nofollow\" target=\"_blank\">flag<\/a> the incident as an example of artificial intelligence-written or AI-assisted Solidity backfiring.\u00a0<\/p>\n<p><a href=\"https:\/\/cointelegraph.com\/news\/moonwell-exploit-cbeth-oracle-misprice-ai-commits-testing-audits\">Read more<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>The exploit saw the Moonwell protocol exploited for $1.78 million after cbETH was mispriced at $1.12 instead of about $2,200, intensifying debate around AI-co-authored smart contracts. Moonwell, a decentralized finance (DeFi) lending protocol deployed on Base and Optimism, was exploited for about $1.78 million after a pricing oracle for Coinbase Wrapped Staked ETH (cbETH) returned [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":557660,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[],"class_list":{"0":"post-557659","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-blockchain"},"_links":{"self":[{"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/posts\/557659","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/comments?post=557659"}],"version-history":[{"count":0,"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/posts\/557659\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/media\/557660"}],"wp:attachment":[{"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/media?parent=557659"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/categories?post=557659"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/tags?post=557659"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}