{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-44776", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-07T19:20:44.689Z", "datePublished": "2026-05-26T17:29:40.897Z", "dateUpdated": "2026-05-26T18:27:30.186Z"}, "containers": {"cna": {"title": "Kavita: IDOR in /api/Download/*", "problemTypes": [{"descriptions": [{"cweId": "CWE-639", "lang": "en", "description": "CWE-639: Authorization Bypass Through User-Controlled Key", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "HIGH", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 5.9, "baseSeverity": "MEDIUM", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N", "version": "4.0"}}], "references": [{"name": "https://github.com/Kareadita/Kavita/security/advisories/GHSA-x3jq-95xw-gwvr", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/Kareadita/Kavita/security/advisories/GHSA-x3jq-95xw-gwvr"}], "affected": [{"vendor": "Kareadita", "product": "Kavita", "versions": [{"version": "< 0.9.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-05-26T17:29:40.897Z"}, "descriptions": [{"lang": "en", "value": "Kavita is a cross platform reading server. Prior to 0.9.0, the download, size-check, and chapter metadata endpoints do not enforce library-level authorization. A low-privileged user who knows or guesses a chapterId, volumeId, or seriesId belonging to a library they are not assigned to can download the full file contents, query file sizes, and read metadata for that content. This affects /api/Download/volume-size, /api/Download/chapter-size, /api/Download/series-size, /api/Download/volume, /api/Download/chapter, /api/Download/series, and /api/Chapter. This vulnerability is fixed in 0.9.0."}], "source": {"advisory": "GHSA-x3jq-95xw-gwvr", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/Kareadita/Kavita/security/advisories/GHSA-x3jq-95xw-gwvr", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-05-26T18:27:22.523468Z", "id": "CVE-2026-44776", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-26T18:27:30.186Z"}}]}}

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{}

{"created": "2026-05-26T19:30:13.744846+00:00", "updated": "2026-05-26T19:30:13.744856+00:00", "vendors": []}