{"id":51502,"date":"2026-05-05T12:07:17","date_gmt":"2026-05-05T12:07:17","guid":{"rendered":"https:\/\/zero.redgem.net\/?p=51502"},"modified":"2026-05-05T12:07:17","modified_gmt":"2026-05-05T12:07:17","slug":"chatchat-space-langchain-chatchat-uploaded-file-openairoutespy-getfileid-random-values","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=51502","title":{"rendered":"chatchat-space Langchain-Chatchat Uploaded File openai_routes.py _get_file_id random values_CVE-2026-7847"},"content":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;A vulnerability was found in chatchat-space Langchain-Chatchat up to 0.3.1.3. The affected element is the function _get_file_id of the file libs\/chatchat-server\/chatchat\/server\/api_server\/openai_routes.py of the component Uploaded File Handler. Performing a manipulation results in insufficiently random values. Access to the local network is required for this attack. The attack&#8217;s complexity is rated as high. The exploitability is described as difficult. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.&#8221;,&#8221;published&#8221;:&#8221;2026-05-05T16:30:13.695Z&#8221;,&#8221;modified&#8221;:&#8221;2026-05-05T16:30:13.695Z&#8221;,&#8221;type&#8221;:&#8221;cve&#8221;,&#8221;title&#8221;:&#8221;chatchat-space Langchain-Chatchat Uploaded File openai_routes.py _get_file_id random values&#8221;,&#8221;source&#8221;:&#8221;VulDB&#8221;,&#8221;references&#8221;:&#8221;https:\/\/vuldb.com\/vuln\/361126\\nhttps:\/\/vuldb.com\/vuln\/361126\/cti\\nhttps:\/\/vuldb.com\/submit\/807796\\nhttps:\/\/github.com\/chatchat-space\/Langchain-Chatchat\/issues\/5464\\nhttps:\/\/github.com\/3em0\/cve_repo\/blob\/main\/Langchain-Chatchat\/Vuln-3-Predictable-File-ID.md\\nhttps:\/\/github.com\/chatchat-space\/Langchain-Chatchat\/&#8221;,&#8221;id&#8221;:&#8221;CVE-2026-7847&#8243;,&#8221;bulletinFamily&#8221;:&#8221;&#8221;,&#8221;cwe&#8221;:[&#8220;CWE-330&#8243;,&#8221;CWE-310&#8243;],&#8221;cvelist&#8221;:null,&#8221;sourceData&#8221;:&#8221;chatchat-space Langchain-Chatchat 0.3.1.0\\nchatchat-space Langchain-Chatchat 0.3.1.1\\nchatchat-space Langchain-Chatchat 0.3.1.2\\nchatchat-space Langchain-Chatchat 0.3.1.3&#8243;,&#8221;sourceHref&#8221;:&#8221;&#8221;,&#8221;cvss&#8221;:{&#8220;score&#8221;:2.1,&#8221;severity&#8221;:&#8221;LOW&#8221;,&#8221;vector&#8221;:&#8221;CVSS:4.0\/AV:A\/AC:H\/AT:N\/PR:L\/UI:N\/VC:L\/VI:N\/VA:N\/SC:N\/SI:N\/SA:N\/E:P&#8221;,&#8221;version&#8221;:&#8221;4.0&#8243;},&#8221;cvss2&#8243;:{},&#8221;cvss3&#8243;:{&#8220;version&#8221;:&#8221;&#8221;,&#8221;vectorString&#8221;:&#8221;&#8221;,&#8221;baseScore&#8221;:0,&#8221;baseSeverity&#8221;:&#8221;&#8221;,&#8221;attackVector&#8221;:&#8221;&#8221;,&#8221;attackComplexity&#8221;:&#8221;&#8221;,&#8221;privilegesRequired&#8221;:&#8221;&#8221;,&#8221;userInteraction&#8221;:&#8221;&#8221;,&#8221;scope&#8221;:&#8221;&#8221;,&#8221;confidentialityImpact&#8221;:&#8221;&#8221;,&#8221;integrityImpact&#8221;:&#8221;&#8221;,&#8221;availabilityImpact&#8221;:&#8221;&#8221;,&#8221;cvssV3&#8243;:{&#8220;version&#8221;:&#8221;&#8221;,&#8221;vectorString&#8221;:&#8221;&#8221;,&#8221;baseScore&#8221;:0,&#8221;baseSeverity&#8221;:&#8221;&#8221;,&#8221;attackVector&#8221;:&#8221;&#8221;,&#8221;attackComplexity&#8221;:&#8221;&#8221;,&#8221;privilegesRequired&#8221;:&#8221;&#8221;,&#8221;userInteraction&#8221;:&#8221;&#8221;,&#8221;scope&#8221;:&#8221;&#8221;,&#8221;confidentialityImpact&#8221;:&#8221;&#8221;,&#8221;integrityImpact&#8221;:&#8221;&#8221;,&#8221;availabilityImpact&#8221;:&#8221;&#8221;}},&#8221;href&#8221;:&#8221;&#8221;,&#8221;category_name&#8221;:&#8221;CVE&#8221;,&#8221;post_link&#8221;:&#8221;&#8221;,&#8221;product&#8221;:&#8221;Langchain-Chatchat&#8221;,&#8221;version&#8221;:&#8221;0.3.1.0&#8243;,&#8221;vendor&#8221;:&#8221;chatchat-space&#8221;,&#8221;ai_description&#8221;:&#8221;&#8221;,&#8221;ai_severity&#8221;:&#8221;&#8221;,&#8221;ai_vendor&#8221;:&#8221;&#8221;,&#8221;ai_product&#8221;:&#8221;&#8221;,&#8221;ai_version&#8221;:&#8221;&#8221;,&#8221;ai_score&#8221;:0}<\/p>\n","protected":false},"excerpt":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;A vulnerability was found in chatchat-space Langchain-Chatchat up to 0.3.1.3. The affected element is the function _get_file_id of the file libs\/chatchat-server\/chatchat\/server\/api_server\/openai_routes.py of the component Uploaded&#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":[6,8,148,12,71,13,7,11,5],"class_list":["post-51502","post","type-post","status-publish","format-standard","hentry","category-category_cve","tag-cve","tag-cvss","tag-cvss-21","tag-exploit","tag-low","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>chatchat-space Langchain-Chatchat Uploaded File openai_routes.py _get_file_id random values_CVE-2026-7847 - 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=51502\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"chatchat-space Langchain-Chatchat Uploaded File openai_routes.py _get_file_id random values_CVE-2026-7847 - zero redgem\" \/>\n<meta property=\"og:description\" content=\"{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;A vulnerability was found in chatchat-space Langchain-Chatchat up to 0.3.1.3. 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