{"id":650300,"date":"2026-08-29T20:50:41","date_gmt":"2026-08-29T20:50:41","guid":{"rendered":"https:\/\/e-bitco.in\/index.php\/2026\/08\/29\/polygon-discloses-security-flaws-fixed-in-recent-hard-forks\/"},"modified":"2026-08-29T20:50:41","modified_gmt":"2026-08-29T20:50:41","slug":"polygon-discloses-security-flaws-fixed-in-recent-hard-forks","status":"publish","type":"post","link":"https:\/\/e-bitco.in\/index.php\/2026\/08\/29\/polygon-discloses-security-flaws-fixed-in-recent-hard-forks\/","title":{"rendered":"Polygon discloses security flaws fixed in recent hard forks"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/s3-images.ctmedia.io\/media\/article-covers\/2026\/08\/01M17JHBKVPG032T0G1E4PGVX3\/hi-quadrigacx-ceo-died-what-next.png\" alt=\"Polygon discloses security flaws fixed in recent hard forks\" class=\"type:primaryImage\" \/><\/p>\n<p>The vulnerabilities posed denial-of-service and validator resource risks but were patched before Polygon publicly disclosed them.<\/p>\n<p>Polygon has disclosed several previously private security vulnerabilities that could have disrupted its proof-of-stake network, after deploying fixes through two recent hard forks.<\/p>\n<p>The vulnerabilities affected Polygon\u2019s Bor and Heimdall clients and included denial-of-service risks, validator resource exhaustion and flaws affecting checkpoint and milestone processing, according to a Thursday <a href=\"https:\/\/forum.polygon.technology\/t\/security-releases-review-bor-v2-10-0-austin-hf-and-heimdall-v0-11-0-kyoto-hf\/22138\" rel=\"noopener noreferrer\" target=\"_blank\">disclosure<\/a> from Polygon Labs\u2019 Validators Support Team.\u00a0<\/p>\n<p>Polygon said the flaws were fixed through the Austin and Kyoto hard forks, which were deployed privately and tested before being activated on mainnet and publicly disclosed. <\/p>\n<p><a href=\"https:\/\/cointelegraph.com\/news\/polygon-discloses-security-flaws-fixed-in-recent-hard-forks\">Read more<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>The vulnerabilities posed denial-of-service and validator resource risks but were patched before Polygon publicly disclosed them. Polygon has disclosed several previously private security vulnerabilities that could have disrupted its proof-of-stake network, after deploying fixes through two recent hard forks. The vulnerabilities affected Polygon\u2019s Bor and Heimdall clients and included denial-of-service risks, validator resource exhaustion and [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":650301,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[],"class_list":{"0":"post-650300","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\/650300","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=650300"}],"version-history":[{"count":0,"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/posts\/650300\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/media\/650301"}],"wp:attachment":[{"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/media?parent=650300"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/categories?post=650300"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/tags?post=650300"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}