CVE Explorer

CVE-2026-26065

calibre is a cross-platform e-book manager for viewing, converting, editing, and cataloging e-books. Versions 9.2.1 and below are vulnerable to Path Traversal through PDB readers (both 132-byte and 202-byte header variants) that allow arbitrary file writes with arbitrary extension and arbitrary content anywhere the user has write permissions. Files are written in 'wb' mode, silently overwriting existing files. This can lead to potential code execution and Denial of Service through file corruptio

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:c77da5a6e2e91db581a8e7938e772126bb6f6c41984e935fac4c90dc2775955d

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"product":"calibre","vendor":"kovidgoyal","versions":[{"status":"affected","version":"< 9.3.0"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:c40e62e263e43337a1beef2dc0761ea701403d2fdf945a79d7198ef2b5f2b3e5 · sha256:52cbb8cf87eb4dcd… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"LOCAL","baseScore":9.3,"baseSeverity":"CRITICAL","privilegesRequired":"NONE","subAvailabilityImpact":"HIGH","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","userInteraction":"ACTIVE","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:c40e62e263e43337a1beef2dc0761ea701403d2fdf945a79d7198ef2b5f2b3e5 · sha256:52cbb8cf87eb4dcd… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion

{"cweId":"CWE-22","description":"CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:c40e62e263e43337a1beef2dc0761ea701403d2fdf945a79d7198ef2b5f2b3e5 · sha256:52cbb8cf87eb4dcd… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions

{"name":"https://github.com/kovidgoyal/calibre/commit/b6da1c3878c06eb1356cb0ec1106cb66e0e9bfb8","tags":["x_refsource_MISC"],"url":"https://github.com/kovidgoyal/calibre/commit/b6da1c3878c06eb1356cb0ec1106cb66e0e9bfb8"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:c40e62e263e43337a1beef2dc0761ea701403d2fdf945a79d7198ef2b5f2b3e5 · sha256:52cbb8cf87eb4dcd… · /containers/cna/references/1

{"name":"https://github.com/kovidgoyal/calibre/security/advisories/GHSA-vmfh-7mr7-pp2w","tags":["x_refsource_CONFIRM"],"url":"https://github.com/kovidgoyal/calibre/security/advisories/GHSA-vmfh-7mr7-pp2w"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:c40e62e263e43337a1beef2dc0761ea701403d2fdf945a79d7198ef2b5f2b3e5 · sha256:52cbb8cf87eb4dcd… · /containers/cna/references/0

Attribution and limitations

CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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