{"id":216,"date":"2026-10-29T07:23:04","date_gmt":"2026-10-29T07:23:04","guid":{"rendered":"https:\/\/bugskan.com\/?p=216"},"modified":"2026-10-29T07:23:04","modified_gmt":"2026-10-29T07:23:04","slug":"claude-code-packaging-error-exposed-source-files-according-to-anthropic","status":"publish","type":"post","link":"https:\/\/bugskan.com\/index.php\/2026\/10\/29\/claude-code-packaging-error-exposed-source-files-according-to-anthropic\/","title":{"rendered":"Claude Code packaging error exposed source files, according to Anthropic"},"content":{"rendered":"<p>Anthropic confirmed that a packaging mistake in Claude Code\u2019s npm release exposed internal source code, according to April 2026 reporting. A source-map file in version 2.1.88 pointed to files that were quickly copied elsewhere.<\/p>\n<p>The company said no sensitive customer information or credentials were involved. The source exposure was not equivalent to releasing model weights, training data or every part of Anthropic\u2019s service infrastructure.<\/p>\n<p>Developers should obtain updates through official distribution channels and avoid unofficial repackaged copies. Release teams should inspect published artifacts, including source maps, rather than assuming a successful build contains only intended public files.<\/p>\n<p><a href=\"https:\/\/thehackernews.com\/2026\/04\/claude-code-tleaked-via-npm-packaging.html\">Read the original source<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The company described an accidental source-map release and said customer data and credentials were not exposed.<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"bugskan_incident_id":"inc_8ca225d1f764f0","bugskan_event_type":"breach","bugskan_response":"REVIEW","bugskan_technical_severity":"","bugskan_technical_severity_source":"","bugskan_evidence_quality":"medium","bugskan_affected_scope":"The accidental package artifact exposure reported for Claude Code 2.1.88.","bugskan_recommended_next_step":"Use official packages and review release artifacts for unintended internal files.","bugskan_who_should_check":"","bugskan_material_updated_at":"2026-04-01T00:00:00Z","bugskan_reviewer_name":"","bugskan_reviewed_at":"","bugskan_legacy_state":"mapped","bugskan_featured":false,"bugskan_sample":false,"footnotes":""},"categories":[1],"tags":[],"bugskan_format":[2],"bugskan_technology":[15],"class_list":["post-216","post","type-post","status-publish","format-standard","hentry","category-uncategorized","bugskan_format-security-brief","bugskan_technology-claude-code"],"_links":{"self":[{"href":"https:\/\/bugskan.com\/index.php\/wp-json\/wp\/v2\/posts\/216","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bugskan.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bugskan.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bugskan.com\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/bugskan.com\/index.php\/wp-json\/wp\/v2\/comments?post=216"}],"version-history":[{"count":1,"href":"https:\/\/bugskan.com\/index.php\/wp-json\/wp\/v2\/posts\/216\/revisions"}],"predecessor-version":[{"id":386,"href":"https:\/\/bugskan.com\/index.php\/wp-json\/wp\/v2\/posts\/216\/revisions\/386"}],"wp:attachment":[{"href":"https:\/\/bugskan.com\/index.php\/wp-json\/wp\/v2\/media?parent=216"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bugskan.com\/index.php\/wp-json\/wp\/v2\/categories?post=216"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bugskan.com\/index.php\/wp-json\/wp\/v2\/tags?post=216"},{"taxonomy":"bugskan_format","embeddable":true,"href":"https:\/\/bugskan.com\/index.php\/wp-json\/wp\/v2\/bugskan_format?post=216"},{"taxonomy":"bugskan_technology","embeddable":true,"href":"https:\/\/bugskan.com\/index.php\/wp-json\/wp\/v2\/bugskan_technology?post=216"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}