{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-56768", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-06-22T21:55:17.942Z", "datePublished": "2026-06-25T18:05:06.817Z", "dateUpdated": "2026-06-25T18:05:06.817Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-06-25T18:05:06.817Z"}, "title": "Seahub < 13.0.23 - Authentication Bypass in ShareLinkZipTaskView GET Method", "descriptions": [{"lang": "en", "value": "Seahub before 13.0.23 does not enforce SHARE_LINK_LOGIN_REQUIRED on GET /api/v2.1/share-link-zip-task/, allowing unauthenticated users to bypass authentication. Attackers with a folder share-link token can call the GET endpoint to obtain a fileserver zip token and download entire shared directory trees."}], "tags": ["x_open-source"], "datePublic": "2026-05-29T00:00:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-862", "description": "Missing Authorization", "type": "CWE"}]}], "affected": [{"vendor": "haiwen", "product": "seahub", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "13.0.23"}], "repo": "https://github.com/haiwen/seahub"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "HIGH", "baseScore": 8.7, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}}, {"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "version": "3.1", "baseSeverity": "HIGH", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}}], "references": [{"url": "https://plus.seafile.com/wiki/publish/seafile-wiki/v5D5/", "name": "Release Notes", "tags": ["release-notes"]}, {"url": "https://github.com/haiwen/seahub/issues/9050", "name": "GitHub Issue", "tags": ["issue-tracking"]}, {"url": "https://github.com/haiwen/seahub/commit/b609949cf64ed6a15708d0fb5ea9c179962e23cc", "name": "Patch Commit (1)", "tags": ["patch"]}, {"url": "https://github.com/haiwen/seahub/commit/162cddae0831188d02bb8d451dc2193e197dcc57", "name": "Patch Commit (2)", "tags": ["patch"]}, {"url": "https://www.vulncheck.com/advisories/seahub-authentication-bypass-in-sharelinkziptaskview-get-method", "tags": ["third-party-advisory"]}], "credits": [{"lang": "en", "value": "George Chen", "type": "finder"}], "x_generator": {"engine": "vulncheck"}}}}

{}

{}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,13.0.23)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "seahub", "source": "cna", "vendor": "haiwen"}, "product": "seahub", "vendor": "haiwen"}], "created": "2026-06-25T20:15:16.161539+00:00", "updated": "2026-06-26T09:36:43.489826+00:00", "vendors": ["haiwen", "haiwen$PRODUCT$seahub"]}