CVE Explorer

CVE-2026-30853

calibre is a cross-platform e-book manager for viewing, converting, editing, and cataloging e-books. Prior to 9.5.0, a path traversal vulnerability in the RocketBook (.rb) input plugin (src/calibre/ebooks/rb/reader.py) allows an attacker to write arbitrary files to any path writable by the calibre process when a user opens or converts a crafted .rb file. This is the same bug class fixed in CVE-2026-26065 for the PDB readers, but the fix was never applied to the RB reader. This vulnerability is f

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:6dcc06fc06b418642ff2b009122455a4e02c229470eb03cabd51b6568d82e6a0

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"product":"calibre","vendor":"kovidgoyal","versions":[{"status":"affected","version":"< 9.5.0"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:54cb2e52e7361f124aae4bbde9a6f5387ad5be178b6d7e8307b17333534d24d4 · sha256:7e396cb40ac2693c… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"LOW","baseScore":5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:L","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:54cb2e52e7361f124aae4bbde9a6f5387ad5be178b6d7e8307b17333534d24d4 · sha256:7e396cb40ac2693c… · /containers/cna/metrics/0/cvssV3_1

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:v2:54cb2e52e7361f124aae4bbde9a6f5387ad5be178b6d7e8307b17333534d24d4 · sha256:7e396cb40ac2693c… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion

{"name":"https://github.com/kovidgoyal/calibre/security/advisories/GHSA-7mp7-rfrg-542x","tags":["x_refsource_CONFIRM"],"url":"https://github.com/kovidgoyal/calibre/security/advisories/GHSA-7mp7-rfrg-542x"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:54cb2e52e7361f124aae4bbde9a6f5387ad5be178b6d7e8307b17333534d24d4 · sha256:7e396cb40ac2693c… · /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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