{"id":22233,"date":"2026-08-02T06:25:39","date_gmt":"2026-08-02T06:25:39","guid":{"rendered":"https:\/\/cryptoted.net\/index.php\/2026\/08\/02\/security-alert-cpp-ethereums-account-unlocking-problem-not-yet-fixed-now-fixed\/"},"modified":"2026-08-02T06:25:39","modified_gmt":"2026-08-02T06:25:39","slug":"security-alert-cpp-ethereums-account-unlocking-problem-not-yet-fixed-now-fixed","status":"publish","type":"post","link":"https:\/\/cryptoted.net\/index.php\/2026\/08\/02\/security-alert-cpp-ethereums-account-unlocking-problem-not-yet-fixed-now-fixed\/","title":{"rendered":"Security Alert &#8211; cpp-ethereum\u2019s account unlocking problem not yet fixed [Now fixed]"},"content":{"rendered":"<p> <br \/>\n<\/p>\n<div id=\"\">\n<p class=\"chakra-text css-gi02ar\"><b>Affected configurations:<\/b> cpp-ethereum (eth, AlethZero, \u2026) version 1.2.0 up to 1.2.<strong>6<\/strong><br \/>\nNote: Neither \u201cgeth\u201d nor \u201cMist\u201d nor the \u201cEthereum Wallet\u201d (unless explicitly used together with cpp-ethereum) are affected by this, they lock accounts correctly again.<\/p>\n<p class=\"chakra-text css-gi02ar\">This is just a quick head&#8217;s up that <a class=\"chakra-link css-vezwxf\" href=\"https:\/\/blog.ethereum.org\/2016\/05\/31\/security-alert-cpp-ethereum-keeps-accounts-unlocked\">cpp-ethereum&#8217;s security issue around account security<\/a> is not yet properly fixed. The fix that is part of cpp-ethereum version 1.2.6 did not decrease the security, but it also did not fix the bug completely. We will work towards another bugfix release and announce it once the fix is properly verified.<\/p>\n<p class=\"chakra-text css-gi02ar\">A fix is now available: Release 1.2.7 &#8211;\u00a0<a target=\"_blank\" rel=\"noopener\" class=\"chakra-link css-vezwxf\" href=\"https:\/\/github.com\/ethereum\/webthree-umbrella\/releases\/tag\/v1.2.7\">https:\/\/github.com\/ethereum\/webthree-umbrella\/releases\/tag\/v1.2.7<\/a><\/p>\n<\/div>\n<p><br \/>\n<br \/><a href=\"https:\/\/blog.ethereum.org\/en\/2016\/06\/03\/security-alert-cpp-ethereums-account-unlocking-problem-not-yet-fixed\">Source link <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Affected configurations: cpp-ethereum (eth, AlethZero, \u2026) version 1.2.0 up to 1.2.6 Note: Neither \u201cgeth\u201d nor \u201cMist\u201d nor the \u201cEthereum Wallet\u201d (unless explicitly used together with cpp-ethereum) are affected by this, they lock accounts correctly again. This is just a quick head&#8217;s up that cpp-ethereum&#8217;s security issue around account security is not yet properly fixed. The [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":20792,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"tdm_status":"","tdm_grid_status":"","footnotes":""},"categories":[24],"tags":[],"kronos_expire_date":[],"class_list":["post-22233","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ethereum"],"_links":{"self":[{"href":"https:\/\/cryptoted.net\/index.php\/wp-json\/wp\/v2\/posts\/22233","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cryptoted.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cryptoted.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cryptoted.net\/index.php\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/cryptoted.net\/index.php\/wp-json\/wp\/v2\/comments?post=22233"}],"version-history":[{"count":0,"href":"https:\/\/cryptoted.net\/index.php\/wp-json\/wp\/v2\/posts\/22233\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cryptoted.net\/index.php\/wp-json\/wp\/v2\/media\/20792"}],"wp:attachment":[{"href":"https:\/\/cryptoted.net\/index.php\/wp-json\/wp\/v2\/media?parent=22233"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cryptoted.net\/index.php\/wp-json\/wp\/v2\/categories?post=22233"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cryptoted.net\/index.php\/wp-json\/wp\/v2\/tags?post=22233"},{"taxonomy":"kronos_expire_date","embeddable":true,"href":"https:\/\/cryptoted.net\/index.php\/wp-json\/wp\/v2\/kronos_expire_date?post=22233"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}