{"id":"CVE-2026-81546","title":"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","summary":"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 documen…","severity":"high","cvss":7.7,"cvssVector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H","cwe":["CWE-121"],"vendor":"Canva","product":"Affinity","affected":["Affinity < 3.3.0"],"published":"2026-09-17","updated":"2026-09-18","sourceUpdated":"2026-09-18T17:49:08.457","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-81546","references":[{"url":"https://trust.canva.com?tcuUid=43596908-8a36-4a18-b2e7-5c99b67ab38a","label":"61adb53e-e4b3-47f7-8a93-4717c9e77dc6"}],"tags":["nvd","cve.org"],"epss":0.00147,"epssPercentile":0.03259,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-17T13:02:42.977242Z"},"ingestedAt":"2026-09-17T02:09:26.492Z","slug":"CVE-2026-81546","body":"## Overview\n\nThe 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":42,"depthScoreParts":{"impact":42.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}