{"id":"CVE-2026-33206","state":"PUBLISHED","title":"calibre has a path traversal vulnerability","description":"calibre is a cross-platform e-book manager for viewing, converting, editing, and cataloging e-books. Prior to version 9.6.0, a path traversal vulnerability exists in Calibre' handling of images in Markdown and other similar text-based files allowing an attacker to include arbitrary files from the file system into the converted book. Additionally, missing authentication and server-side request forgery in the background-image endpoint in the ebook reader web view allow the files to be exfiltrated without additional interaction. Version 9.6.0 contains a fix.","publishedAt":"2026-03-27T13:53:22.833Z","updatedAt":"2026-03-27T14:48:44.155Z","severity":{"score":8.2,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["kovidgoyal calibre"],"affected":[{"vendor":"kovidgoyal","product":"calibre","versions":[{"version":"< 9.6.0","status":"affected"}]}],"references":["https://github.com/kovidgoyal/calibre/security/advisories/GHSA-h3p4-m74f-43g6"],"weaknesses":["CWE-23"],"ingestedAt":"2026-10-29T20:11:40.391Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/33xxx/CVE-2026-33206.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-33206","state":"PUBLISHED","datePublished":"2026-03-27T13:53:22.833Z","dateUpdated":"2026-03-27T14:48:44.155Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-03-17T23:23:58.312Z"},"containers":{"cna":{"title":"calibre has a path traversal vulnerability","descriptions":[{"lang":"en","value":"calibre is a cross-platform e-book manager for viewing, converting, editing, and cataloging e-books. Prior to version 9.6.0, a path traversal vulnerability exists in Calibre' handling of images in Markdown and other similar text-based files allowing an attacker to include arbitrary files from the file system into the converted book. Additionally, missing authentication and server-side request forgery in the background-image endpoint in the ebook reader web view allow the files to be exfiltrated without additional interaction. Version 9.6.0 contains a fix."}],"affected":[{"vendor":"kovidgoyal","product":"calibre","versions":[{"version":"< 9.6.0","status":"affected"}]}],"references":[{"url":"https://github.com/kovidgoyal/calibre/security/advisories/GHSA-h3p4-m74f-43g6","name":"https://github.com/kovidgoyal/calibre/security/advisories/GHSA-h3p4-m74f-43g6","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV4_0":{"attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"PASSIVE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"HIGH","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":8.2,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-23","lang":"en","description":"CWE-23: Relative Path Traversal","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-03-27T13:53:22.833Z"},"source":{"advisory":"GHSA-h3p4-m74f-43g6","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/kovidgoyal/calibre/security/advisories/GHSA-h3p4-m74f-43g6","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-27T14:48:39.922938Z","id":"CVE-2026-33206","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-03-27T14:48:44.155Z"}}]}}}