{"id":40497,"date":"2026-02-11T14:44:34","date_gmt":"2026-02-11T14:44:34","guid":{"rendered":"http:\/\/localhost\/?p=40497"},"modified":"2026-02-11T14:44:34","modified_gmt":"2026-02-11T14:44:34","slug":"busybox-busybox-arbitrary-file-modification-and-privilege-escalation-via-unvalidated-tar-archive-ent","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=40497","title":{"rendered":"Busybox: busybox: arbitrary file modification and privilege escalation via unvalidated tar archive entries_CVE-2026-26158"},"content":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;A flaw was found in BusyBox. This vulnerability allows an attacker to modify files outside of the intended extraction directory by crafting a malicious tar archive containing unvalidated hardlink or symlink entries. 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This vulnerability allows an attacker to modify files outside of the intended extraction directory by crafting a malicious tar&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[6,8,79,12,15,13,7,11,5],"class_list":["post-40497","post","type-post","status-publish","format-standard","hentry","category-category_cve","tag-cve","tag-cvss","tag-cvss-70","tag-exploit","tag-high","tag-news","tag-security","tag-tapic","tag-vulnerability"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Busybox: busybox: arbitrary file modification and privilege escalation via unvalidated tar archive entries_CVE-2026-26158 - zero redgem<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/zero.redgem.net\/?p=40497\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Busybox: busybox: arbitrary file modification and privilege escalation via unvalidated tar archive entries_CVE-2026-26158 - zero redgem\" \/>\n<meta property=\"og:description\" content=\"{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;A flaw was found in BusyBox. 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