{"id":"CVE-2026-25635","state":"PUBLISHED","title":"calibre has a Path Traversal Leading to Arbitrary File Write and Potential Code Execution","description":"calibre is an e-book manager. Prior to 9.2.0, Calibre's CHM reader contains a path traversal vulnerability that allows arbitrary file writes anywhere the user has write permissions. On Windows (haven't tested on other OS's), this can lead to Remote Code Execution by writing a payload to the Startup folder, which executes on next login. This vulnerability is fixed in 9.2.0.","publishedAt":"2026-02-06T20:10:29.839Z","updatedAt":"2026-02-11T14:54:23.143Z","severity":{"score":8.6,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["kovidgoyal calibre"],"affected":[{"vendor":"kovidgoyal","product":"calibre","versions":[{"version":"< 9.2.0","status":"affected"}]}],"references":["https://github.com/kovidgoyal/calibre/security/advisories/GHSA-32vh-whvh-9fxr","https://github.com/kovidgoyal/calibre/commit/9739232fcb029ac15dfe52ccd4fdb4a07ebb6ce9","https://0x5t.raptx.org/posts/calibre-chm-rce"],"weaknesses":["CWE-22"],"ingestedAt":"2026-10-29T20:11:21.040Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/25xxx/CVE-2026-25635.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-25635","state":"PUBLISHED","datePublished":"2026-02-06T20:10:29.839Z","dateUpdated":"2026-02-11T14:54:23.143Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-02-04T05:15:41.790Z"},"containers":{"cna":{"title":"calibre has a Path Traversal Leading to Arbitrary File Write and Potential Code Execution","descriptions":[{"lang":"en","value":"calibre is an e-book manager. Prior to 9.2.0, Calibre's CHM reader contains a path traversal vulnerability that allows arbitrary file writes anywhere the user has write permissions. On Windows (haven't tested on other OS's), this can lead to Remote Code Execution by writing a payload to the Startup folder, which executes on next login. This vulnerability is fixed in 9.2.0."}],"affected":[{"vendor":"kovidgoyal","product":"calibre","versions":[{"version":"< 9.2.0","status":"affected"}]}],"references":[{"url":"https://github.com/kovidgoyal/calibre/security/advisories/GHSA-32vh-whvh-9fxr","name":"https://github.com/kovidgoyal/calibre/security/advisories/GHSA-32vh-whvh-9fxr","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/kovidgoyal/calibre/commit/9739232fcb029ac15dfe52ccd4fdb4a07ebb6ce9","name":"https://github.com/kovidgoyal/calibre/commit/9739232fcb029ac15dfe52ccd4fdb4a07ebb6ce9","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":8.6,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-22","lang":"en","description":"CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-02-06T20:10:29.839Z"},"source":{"advisory":"GHSA-32vh-whvh-9fxr","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-02-09T15:20:48.529881Z","id":"CVE-2026-25635","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-02-09T15:28:06.665Z"}},{"title":"CVE Program Container","references":[{"url":"https://0x5t.raptx.org/posts/calibre-chm-rce"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2026-02-11T14:54:23.143Z"},"x_generator":{"engine":"ADPogram 0.0.1"}}]}}}