CVE-2026-81546

Published Sep 17, 2026 CVSS 3.1 · 7.7 High EPSS < 1% KEV · Not listed
Description
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

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
First Time appeared Canva
Canva affinity
Weaknesses CWE-121
CPEs cpe:2.3:a:canva:affinity:*:*:*:*:*:*:*:*
Vendors & Products Canva
Canva affinity
References
Metrics cvssV3_1

{'score': 7.7, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Canva
Published
Updated
Sep 17, 2026, 1:02 PM
Reserved
Aug 27, 2026, 12:19 AM
Status
Deferred
Published
Sep 17, 2026, 2:16 AM
Modified
Sep 18, 2026, 5:49 PM