{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-125398", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-11-09T22:03:14.422Z", "datePublished": "2026-11-09T23:28:01.464Z", "dateUpdated": "2026-11-09T23:28:01.464Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-11-09T23:28:01.464Z"}, "datePublic": "2026-11-03T00:00:00.000Z", "title": "Instatic before 0.0.21 Authorization Bypass via Row Author Reassignment Endpoint", "descriptions": [{"lang": "en", "value": "Instatic before 0.0.21 contains an authorization bypass vulnerability in handleRowAuthor that allows authenticated users to skip table-level access checks by loading rows with getDataRow() instead of loadRowForAccess(). Attackers holding content.edit.any but lacking data.system.tables.read can send PATCH requests to /admin/api/cms/data/rows/:id/author to read system-table rows and reassign their authors."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Missing Authorization", "cweId": "CWE-862", "type": "CWE"}]}], "affected": [{"vendor": "CoreBunch", "product": "Instatic", "defaultStatus": "unaffected", "versions": [{"version": "0", "lessThan": "0.0.21", "status": "affected", "versionType": "semver"}], "repo": "https://github.com/CoreBunch/Instatic"}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 7.1, "baseSeverity": "HIGH"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "availabilityImpact": "NONE", "baseScore": 7.1, "baseSeverity": "HIGH"}}], "references": [{"url": "https://github.com/CoreBunch/Instatic/security/advisories/GHSA-m425-wmrc-4v4v", "tags": ["vendor-advisory"], "name": "GitHub Security Advisory (GHSA-m425-wmrc-4v4v)"}, {"url": "https://github.com/CoreBunch/Instatic/commit/ff1e51eb59c860864fa24e8c3e2716b56314f3ad", "tags": ["patch"]}, {"url": "https://github.com/CoreBunch/Instatic/releases/tag/v0.0.21", "tags": ["release-notes"], "name": "Instatic v0.0.21 Release Notes"}, {"url": "https://github.com/CoreBunch/Instatic/blob/v0.0.20/server/handlers/cms/data/rows.ts#L378-L398", "tags": ["technical-description"]}, {"name": "VulnCheck Advisory: Instatic before 0.0.21 Authorization Bypass via Row Author Reassignment Endpoint", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/instatic-before-0.0.21-authorization-bypass-via-row-author-reassignment-endpoint"}], "credits": [{"lang": "en", "value": "Sriman Aluvala", "type": "finder"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

{}

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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,0.0.21)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Instatic", "source": "cna", "vendor": "CoreBunch"}, "product": "instatic", "vendor": "corebunch"}], "created": "2026-11-10T00:45:07.290905+00:00", "updated": "2026-11-10T01:30:17.648495+00:00", "vendors": ["corebunch", "corebunch$PRODUCT$instatic"]}