{"id":97,"date":"2026-04-10T10:00:00","date_gmt":"2026-04-10T10:00:00","guid":{"rendered":"https:\/\/thecybersecurity.network\/blog\/engagelab-sdk-vulnerability-puts-50m-android-users-at-risk-including-30m-crypto-wallet-installs\/"},"modified":"2026-04-12T20:03:39","modified_gmt":"2026-04-12T20:03:39","slug":"engagelab-sdk-vulnerability-puts-50m-android-users-at-risk-including-30m-crypto-wallet-installs","status":"publish","type":"post","link":"https:\/\/thecybersecurity.network\/blog\/engagelab-sdk-vulnerability-puts-50m-android-users-at-risk-including-30m-crypto-wallet-installs\/","title":{"rendered":"EngageLab SDK Vulnerability Puts 50M Android Users at Risk Including 30M Crypto Wallet Installs"},"content":{"rendered":"<p>A recently patched security vulnerability in the EngageLab SDK, a widely used third-party Android software development kit for push notifications and analytics, has exposed approximately 50 million users to potential data theft and unauthorized access, including 30 million cryptocurrency wallet installs.<\/p>\n<h2>Overview<\/h2>\n<p>The EngageLab SDK, integrated into hundreds of popular Android applications, contained a critical flaw in its authentication mechanism that allowed attackers to intercept push notification tokens and hijack user sessions without requiring any user interaction.<\/p>\n<h2>Technical Details<\/h2>\n<ul>\n<li>The SDK transmitted device tokens over unencrypted HTTP in specific network conditions<\/li>\n<li>Improper certificate validation allowed MitM attacks on SDK API endpoints<\/li>\n<li>Hardcoded API keys in older SDK versions enabled unauthorized push notification sending<\/li>\n<\/ul>\n<h2>Impact Assessment<\/h2>\n<p>Severity: <strong>High (CVSS 8.5)<\/strong><\/p>\n<p>The 30 million cryptocurrency wallet installs are of particular concern \u2014 attackers could send fraudulent push notifications impersonating legitimate wallet alerts to trick users into approving malicious transactions.<\/p>\n<h2>Recommended Mitigations<\/h2>\n<ol>\n<li>Update all apps using EngageLab SDK to the latest patched version<\/li>\n<li>Revoke and regenerate all SDK API keys<\/li>\n<li>Audit push notification permissions in your apps<\/li>\n<li>Implement certificate pinning for SDK communications<\/li>\n<\/ol>\n<p><em>Written by Tarang Parmar (CEH) \u2014 TheCyberSecurity.Network. Read time: 5 min.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A recently patched security vulnerability in the EngageLab SDK has exposed approximately 50 million Android users to potential data theft and unauthorized access.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[43],"tags":[15,17,18,38,36,16],"class_list":["post-97","post","type-post","status-publish","format-standard","hentry","category-malware","tag-android","tag-crypto","tag-engagelab","tag-high","tag-malware","tag-sdk"],"_links":{"self":[{"href":"https:\/\/thecybersecurity.network\/blog\/wp-json\/wp\/v2\/posts\/97","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/thecybersecurity.network\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/thecybersecurity.network\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/thecybersecurity.network\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/thecybersecurity.network\/blog\/wp-json\/wp\/v2\/comments?post=97"}],"version-history":[{"count":1,"href":"https:\/\/thecybersecurity.network\/blog\/wp-json\/wp\/v2\/posts\/97\/revisions"}],"predecessor-version":[{"id":107,"href":"https:\/\/thecybersecurity.network\/blog\/wp-json\/wp\/v2\/posts\/97\/revisions\/107"}],"wp:attachment":[{"href":"https:\/\/thecybersecurity.network\/blog\/wp-json\/wp\/v2\/media?parent=97"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/thecybersecurity.network\/blog\/wp-json\/wp\/v2\/categories?post=97"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/thecybersecurity.network\/blog\/wp-json\/wp\/v2\/tags?post=97"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}