The Qilin ransomware gang is exploiting a critical PAN-OS GlobalProtect authentication bypass flaw to breach victims’ networks, according to cybersecurity company Arctic Wolf.<\/p>\n\n\n\n
Palo Alto Networks addressed the vulnerability (CVE-2026-0257<\/a>) on May 13<\/a> and warned that attackers had begun abusing it to breach corporate networks after Rapid7 reported observing it being exploited against numerous customers starting on May 17.<\/p>\n\n\nCritical Palo Alto VPN bug now exploited by Qilin ransomware gang<\/a>: Critical Palo Alto VPN bug now exploited by Qilin ransomware gang<\/span><\/a>","protected":false},"excerpt":{"rendered":" The Qilin ransomware gang is exploiting a critical PAN-OS GlobalProtect authentication bypass flaw to breach victims’ networks, according to cybersecurity company Arctic Wolf. Palo Alto Networks addressed the vulnerability (CVE-2026-0257) on May 13 and warned that attackers had begun abusing it to breach corporate networks after Rapid7 reported observing it being exploited…<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,17],"tags":[72],"class_list":["post-1073","post","type-post","status-publish","format-standard","hentry","category-ransomware","category-vulnerability","tag-72"],"_links":{"self":[{"href":"https:\/\/familiebuckens.nl\/index.php\/wp-json\/wp\/v2\/posts\/1073","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/familiebuckens.nl\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/familiebuckens.nl\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/familiebuckens.nl\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/familiebuckens.nl\/index.php\/wp-json\/wp\/v2\/comments?post=1073"}],"version-history":[{"count":1,"href":"https:\/\/familiebuckens.nl\/index.php\/wp-json\/wp\/v2\/posts\/1073\/revisions"}],"predecessor-version":[{"id":1074,"href":"https:\/\/familiebuckens.nl\/index.php\/wp-json\/wp\/v2\/posts\/1073\/revisions\/1074"}],"wp:attachment":[{"href":"https:\/\/familiebuckens.nl\/index.php\/wp-json\/wp\/v2\/media?parent=1073"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/familiebuckens.nl\/index.php\/wp-json\/wp\/v2\/categories?post=1073"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/familiebuckens.nl\/index.php\/wp-json\/wp\/v2\/tags?post=1073"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}