{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-28792", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-03-03T14:25:19.245Z", "datePublished": "2026-03-12T16:48:16.461Z", "dateUpdated": "2026-03-13T16:29:06.236Z" }, "containers": { "cna": { "title": "Cross-Origin File Exfiltration via CORS Misconfiguration + Path Traversal in TinaCMS", "problemTypes": [ { "descriptions": [ { "cweId": "CWE-22", "lang": "en", "description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')", "type": "CWE" } ] }, { "descriptions": [ { "cweId": "CWE-942", "lang": "en", "description": "CWE-942: Permissive Cross-domain Policy with Untrusted Domains", "type": "CWE" } ] } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.7, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H", "version": "3.1" } } ], "references": [ { "name": "https://github.com/tinacms/tinacms/security/advisories/GHSA-8pw3-9m7f-q734", "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/tinacms/tinacms/security/advisories/GHSA-8pw3-9m7f-q734" } ], "affected": [ { "vendor": "@tinacms", "product": "cli", "versions": [ { "version": "< 2.1.8", "status": "affected" } ] } ], "providerMetadata": { "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-03-12T16:48:16.461Z" }, "descriptions": [ { "lang": "en", "value": "Tina is a headless content management system. Prior to 2.1.8 , the TinaCMS CLI dev server combines a permissive CORS configuration (Access-Control-Allow-Origin: *) with the path traversal vulnerability (previously reported) to enable a browser-based drive-by attack. A remote attacker can enumerate the filesystem, write arbitrary files, and delete arbitrary files on developer's machines by simply tricking them into visiting a malicious website while tinacms dev is running. This vulnerability is fixed in 2.1.8." } ], "source": { "advisory": "GHSA-8pw3-9m7f-q734", "discovery": "UNKNOWN" } }, "adp": [ { "references": [ { "url": "https://github.com/tinacms/tinacms/security/advisories/GHSA-8pw3-9m7f-q734", "tags": [ "exploit" ] } ], "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-03-13T16:29:02.569938Z", "id": "CVE-2026-28792", "options": [ { "Exploitation": "poc" }, { "Automatable": "no" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-13T16:29:06.236Z" } } ] } }