{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-103522", "assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b", "state": "PUBLISHED", "assignerShortName": "certcc", "dateReserved": "2026-09-30T19:03:43.339Z", "datePublished": "2026-10-12T14:53:34.695Z", "dateUpdated": "2026-10-12T14:59:41.947Z" }, "containers": { "cna": { "title": "CVE-2026-103522", "descriptions": [ { "lang": "en", "value": "In Thelia v2.6.0, the store banner upload feature performs insufficient filetype validation that relies exclusively on client‑supplied MIME types. An attacker with administrative access can upload a PHP file disguised as an image to bypass validation and achieve remote code execution on the underlying server." } ], "source": { "discovery": "UNKNOWN" }, "affected": [ { "vendor": "Thelia", "product": "Thelia", "versions": [ { "status": "affected", "version": "0", "lessThanOrEqual": "2.6.0", "versionType": "custom" } ] } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "description": "CWE-434 Unrestricted Upload of File with Dangerous Type" } ] }, { "descriptions": [ { "lang": "en", "description": "CWE-20 Improper Input Validation" } ] } ], "references": [ { "url": "https://kb.cert.org/vuls/id/162329" } ], "x_generator": { "engine": "VINCE 3.0.50", "env": "prod", "origin": "https://cveawg.mitre.org/api/cve/CVE-2026-103522" }, "providerMetadata": { "orgId": "37e5125f-f79b-445b-8fad-9564f167944b", "shortName": "certcc", "dateUpdated": "2026-10-12T14:53:34.695Z" } }, "adp": [ { "problemTypes": [ { "descriptions": [ { "type": "CWE", "cweId": "CWE-434", "lang": "en", "description": "CWE-434 Unrestricted Upload of File with Dangerous Type" } ] } ], "metrics": [ { "cvssV3_1": { "scope": "UNCHANGED", "version": "3.1", "baseScore": 7.2, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH" } }, { "other": { "type": "ssvc", "content": { "timestamp": "2026-10-12T14:59:38.844888Z", "id": "CVE-2026-103522", "options": [ { "Exploitation": "none" }, { "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": "2026-10-12T14:59:41.947Z" } } ] } }