{"id":51110,"date":"2026-05-03T19:34:50","date_gmt":"2026-05-03T19:34:50","guid":{"rendered":"https:\/\/zero.redgem.net\/?p=51110"},"modified":"2026-05-03T19:34:50","modified_gmt":"2026-05-03T19:34:50","slug":"janeczku-calibre-web-endpoint-koboauthpy-generateauthtoken-improper-authorization","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=51110","title":{"rendered":"janeczku Calibre-Web Endpoint kobo_auth.py generate_auth_token improper authorization_CVE-2026-7709"},"content":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;A vulnerability was identified in janeczku Calibre-Web up to 0.6.26. The impacted element is the function generate_auth_token of the file cps\/kobo_auth.py of the component Endpoint. Such manipulation of the argument user_id leads to improper authorization. The attack may be launched remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.&#8221;,&#8221;published&#8221;:&#8221;2026-05-03T23:00:16.240Z&#8221;,&#8221;modified&#8221;:&#8221;2026-05-03T23:00:16.240Z&#8221;,&#8221;type&#8221;:&#8221;cve&#8221;,&#8221;title&#8221;:&#8221;janeczku Calibre-Web Endpoint kobo_auth.py generate_auth_token improper authorization&#8221;,&#8221;source&#8221;:&#8221;VulDB&#8221;,&#8221;references&#8221;:&#8221;https:\/\/vuldb.com\/vuln\/360885\\nhttps:\/\/vuldb.com\/vuln\/360885\/cti\\nhttps:\/\/vuldb.com\/submit\/805823\\nhttps:\/\/drive.google.com\/drive\/folders\/1rosrcfxcHrQM7_GOiBwzY_GnCfXoFuVR?usp=drive_link&#8221;,&#8221;id&#8221;:&#8221;CVE-2026-7709&#8243;,&#8221;bulletinFamily&#8221;:&#8221;&#8221;,&#8221;cwe&#8221;:[&#8220;CWE-285&#8243;,&#8221;CWE-266&#8243;],&#8221;cvelist&#8221;:null,&#8221;sourceData&#8221;:&#8221;janeczku Calibre-Web 0.6.0\\njaneczku Calibre-Web 0.6.1\\njaneczku Calibre-Web 0.6.2\\njaneczku Calibre-Web 0.6.3\\njaneczku Calibre-Web 0.6.4\\njaneczku Calibre-Web 0.6.5\\njaneczku Calibre-Web 0.6.6\\njaneczku Calibre-Web 0.6.7\\njaneczku Calibre-Web 0.6.8\\njaneczku Calibre-Web 0.6.9\\njaneczku Calibre-Web 0.6.10\\njaneczku Calibre-Web 0.6.11\\njaneczku Calibre-Web 0.6.12\\njaneczku Calibre-Web 0.6.13\\njaneczku Calibre-Web 0.6.14\\njaneczku Calibre-Web 0.6.15\\njaneczku Calibre-Web 0.6.16\\njaneczku Calibre-Web 0.6.17\\njaneczku Calibre-Web 0.6.18\\njaneczku Calibre-Web 0.6.19\\njaneczku Calibre-Web 0.6.20\\njaneczku Calibre-Web 0.6.21\\njaneczku Calibre-Web 0.6.22\\njaneczku Calibre-Web 0.6.23\\njaneczku Calibre-Web 0.6.24\\njaneczku Calibre-Web 0.6.25\\njaneczku Calibre-Web 0.6.26&#8243;,&#8221;sourceHref&#8221;:&#8221;&#8221;,&#8221;cvss&#8221;:{&#8220;score&#8221;:5.3,&#8221;severity&#8221;:&#8221;MEDIUM&#8221;,&#8221;vector&#8221;:&#8221;CVSS:4.0\/AV:N\/AC:L\/AT:N\/PR:L\/UI:N\/VC:L\/VI:L\/VA:L\/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;Calibre-Web&#8221;,&#8221;version&#8221;:&#8221;0.6.0&#8243;,&#8221;vendor&#8221;:&#8221;janeczku&#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 identified in janeczku Calibre-Web up to 0.6.26. The impacted element is the function generate_auth_token of the file cps\/kobo_auth.py of the component Endpoint&#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":[6,8,22,12,21,13,7,11,5],"class_list":["post-51110","post","type-post","status-publish","format-standard","hentry","category-category_cve","tag-cve","tag-cvss","tag-cvss-53","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>janeczku Calibre-Web Endpoint kobo_auth.py generate_auth_token improper authorization_CVE-2026-7709 - 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=51110\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"janeczku Calibre-Web Endpoint kobo_auth.py generate_auth_token improper authorization_CVE-2026-7709 - zero redgem\" \/>\n<meta property=\"og:description\" content=\"{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;A vulnerability was identified in janeczku Calibre-Web up to 0.6.26. 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