CVE-2026-81546

{"id": "CVE-2026-81546", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-81546", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-09-17T13:02:42.977242Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "61adb53e-e4b3-47f7-8a93-4717c9e77dc6", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 7.7, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 1.0}]}, "affected": [{"source": "61adb53e-e4b3-47f7-8a93-4717c9e77dc6", "affectedData": [{"vendor": "Canva", "product": "Affinity", "versions": [{"status": "affected", "version": "0", "lessThan": "3.3.0", "versionType": "semver"}], "defaultStatus": "unaffected"}]}], "published": "2026-09-17T02:16:27.537", "references": [{"url": "https://trust.canva.com?tcuUid=43596908-8a36-4a18-b2e7-5c99b67ab38a", "source": "61adb53e-e4b3-47f7-8a93-4717c9e77dc6"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "61adb53e-e4b3-47f7-8a93-4717c9e77dc6", "description": [{"lang": "en", "value": "CWE-121"}]}], "descriptions": [{"lang": "en", "value": "The Affinity by Canva application before 3.3.0 (September 2026 release) did not perform adequate bounds checking when parsing Affinity document files leading to a stack-based buffer overflow. A threat actor could craft a Affinity document that when opened by a user in Affinity could result in arbitrary code execution."}], "lastModified": "2026-09-18T17:49:08.457", "sourceIdentifier": "61adb53e-e4b3-47f7-8a93-4717c9e77dc6"}