---
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'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.