CVE-2026-90860

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

21/09/2026

Last modified:

21/09/2026

Description

The Canva Mobile App for HarmonyOS before v1.15.1 did not restrict the headers returned to an external origin running in a privileged WebView. A threat actor with control of the WebView could access a user’s session.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N CVSS v3.1 Severity and Metrics:

Base Score: 7.10 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): Low
Integrity (I): High
Availability (A): None

Base Score 3.x

7.10

Severity 3.x

HIGH

References to Advisories, Solutions, and Tools

https://trust.canva.com?tcuUid=c17214e0-e758-4472-8238-abeb79faff07