{"id":57123,"date":"2026-05-26T17:08:55","date_gmt":"2026-05-26T17:08:55","guid":{"rendered":"https:\/\/zero.redgem.net\/?p=57123"},"modified":"2026-05-26T17:08:55","modified_gmt":"2026-05-26T17:08:55","slug":"maxkb-ssrf-bypass-in-maxkb-oss-url-fetch-due-to-url-parsing-discrepancy","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=57123","title":{"rendered":"MaxKB: SSRF Bypass in MaxKB OSS URL Fetch due to URL Parsing Discrepancy_CVE-2026-42335"},"content":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;MaxKB is an open-source AI assistant for enterprise. Prior to 2.8.1, MaxKB v2.8.0 and prior are vulnerable to a server-side request forgery (SSRF) bypass in the OSS file service URL fetch (chat\/api\/oss\/get_url) endpoint. The vulnerability exists due to inconsistent URL parsing between the urlparse validation function and the requests HTTP client, allowing attackers to access internal network services. 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Prior to 2.8.1, MaxKB v2.8.0 and prior are vulnerable to a server-side request forgery (SSRF) bypass in&#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":[6,8,23,12,21,13,7,11,5],"class_list":["post-57123","post","type-post","status-publish","format-standard","hentry","category-category_cve","tag-cve","tag-cvss","tag-cvss-63","tag-exploit","tag-medium","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>MaxKB: SSRF Bypass in MaxKB OSS URL Fetch due to URL Parsing Discrepancy_CVE-2026-42335 - 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=57123\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"MaxKB: SSRF Bypass in MaxKB OSS URL Fetch due to URL Parsing Discrepancy_CVE-2026-42335 - zero redgem\" \/>\n<meta property=\"og:description\" content=\"{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;MaxKB is an open-source AI assistant for enterprise. 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