{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-33656", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-03-23T15:23:42.218Z", "datePublished": "2026-04-22T20:01:24.195Z", "dateUpdated": "2026-04-23T13:47:56.303Z" }, "containers": { "cna": { "title": "EspoCRM vulnerable to authenticated RCE via Formula with path traversal in attachment `sourceId`, exploitable by admin user", "problemTypes": [ { "descriptions": [ { "cweId": "CWE-22", "lang": "en", "description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')", "type": "CWE" } ] } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "version": "3.1" } } ], "references": [ { "name": "https://github.com/espocrm/espocrm/security/advisories/GHSA-7922-x7cf-j54x", "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/espocrm/espocrm/security/advisories/GHSA-7922-x7cf-j54x" } ], "affected": [ { "vendor": "espocrm", "product": "espocrm", "versions": [ { "version": "< 9.3.4", "status": "affected" } ] } ], "providerMetadata": { "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-04-22T20:01:24.195Z" }, "descriptions": [ { "lang": "en", "value": "EspoCRM is an open source customer relationship management application. Prior to version 9.3.4, EspoCRM's built-in formula scripting engine allowing updating attachment's sourceId thus allowing an authenticated admin to overwrite the `sourceId` field on `Attachment` entities. Because `sourceId` is concatenated directly into a file path with no sanitization in `EspoUploadDir::getFilePath()`, an attacker can redirect any file read or write operation to an arbitrary path within the web server's `open_basedir` scope. Version 9.3.4 fixes the issue." } ], "source": { "advisory": "GHSA-7922-x7cf-j54x", "discovery": "UNKNOWN" } }, "adp": [ { "references": [ { "url": "https://github.com/espocrm/espocrm/security/advisories/GHSA-7922-x7cf-j54x", "tags": [ "exploit" ] } ], "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-04-23T13:47:31.281378Z", "id": "CVE-2026-33656", "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": "2026-04-23T13:47:56.303Z" } } ] } }