{"id":43609,"date":"2026-04-12T02:59:22","date_gmt":"2026-04-12T02:59:22","guid":{"rendered":"http:\/\/localhost\/?p=43609"},"modified":"2026-04-12T02:59:22","modified_gmt":"2026-04-12T02:59:22","slug":"vllm-affected-by-server-side-request-forgery-ssrf-in-downloadbytesfromurl","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=43609","title":{"rendered":"vLLM affected by Server-Side Request Forgery (SSRF) in `download_bytes_from_url `_CVE-2026-34753"},"content":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;vLLM is an inference and serving engine for large language models (LLMs). From 0.16.0 to before 0.19.0, a server-side request forgery (SSRF) vulnerability in download_bytes_from_url allows any actor who can control batch input JSON to make the vLLM batch runner issue arbitrary HTTP\/HTTPS requests from the server, without any URL validation or domain restrictions.\\nThis can be used to target internal services (e.g. cloud metadata endpoints or internal HTTP APIs) reachable from the vLLM host. 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From 0.16.0 to before 0.19.0, a server-side request forgery (SSRF) vulnerability in download_bytes_from_url&#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":[6,8,82,12,21,13,7,11,5],"class_list":["post-43609","post","type-post","status-publish","format-standard","hentry","category-category_cve","tag-cve","tag-cvss","tag-cvss-54","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>vLLM affected by Server-Side Request Forgery (SSRF) in `download_bytes_from_url `_CVE-2026-34753 - 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=43609\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"vLLM affected by Server-Side Request Forgery (SSRF) in `download_bytes_from_url `_CVE-2026-34753 - zero redgem\" \/>\n<meta property=\"og:description\" content=\"{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;vLLM is an inference and serving engine for large language models (LLMs). 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