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CVE-2026-81546

HIGH
7.7
CVSS Score
Published: September 17, 2026 at 01:39 AM UTC
Updated: September 18, 2026 at 05:59 PM UTC
1 product affected across 1 vendorAffinity

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Severity
HIGH7.7
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Affinity· Canva
60%
v < 3.3.0
Affected range stops below 3.3.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: cverecord
https://trust.canva.com?tcuUid=43596908-8a36-4a18-b2e7-5c99b67ab38a

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.7HIGHCanva
Attack Vector
LOCAL
Complexity
HIGH
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-121

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