{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-53511", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-09T17:30:33.455Z", "datePublished": "2026-07-07T20:46:49.199Z", "dateUpdated": "2026-07-07T20:46:49.199Z"}, "containers": {"cna": {"title": "calibre: Arbitrary Code Execution in Template Formatter via Book Metadata", "problemTypes": [{"descriptions": [{"cweId": "CWE-94", "lang": "en", "description": "CWE-94: Improper Control of Generation of Code ('Code Injection')", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 8.5, "baseSeverity": "HIGH", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "version": "4.0"}}], "references": [{"name": "https://github.com/kovidgoyal/calibre/security/advisories/GHSA-2j4m-2q7x-2c47", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/kovidgoyal/calibre/security/advisories/GHSA-2j4m-2q7x-2c47"}, {"name": "https://github.com/kovidgoyal/calibre/commit/712f4e1ff5c1e798c335bef3bacc4efdee052e9c", "tags": ["x_refsource_MISC"], "url": "https://github.com/kovidgoyal/calibre/commit/712f4e1ff5c1e798c335bef3bacc4efdee052e9c"}, {"name": "https://github.com/kovidgoyal/calibre/releases/tag/v9.10.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/kovidgoyal/calibre/releases/tag/v9.10.0"}], "affected": [{"vendor": "kovidgoyal", "product": "calibre", "versions": [{"version": "< 9.10.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-07T20:46:49.199Z"}, "descriptions": [{"lang": "en", "value": "calibre is an e-book manager. Prior to 9.10.0, a malicious EPUB, OPF, or PDF file can execute arbitrary Python code when its metadata is read by calibre, including through Add books or Edit books, by embedding a custom column definition with a python: template in calibre:user_metadata that is passed unsanitized to exec() in the template formatter. This issue is fixed in version 9.10.0."}], "source": {"advisory": "GHSA-2j4m-2q7x-2c47", "discovery": "UNKNOWN"}}}}

{}

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