CVE-2026-90860
Received Received - Intake

Canva Mobile App for HarmonyOS Session Exposure via WebView Header

Publication date: 2026-09-21

Last updated on: 2026-09-21

Assigner: 61adb53e-e4b3-47f7-8a93-4717c9e77dc6

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.

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Meta Information

Published
2026-09-21
Last Modified
2026-09-21
Generated
2026-09-21
AI Q&A
2026-09-21
EPSS Evaluated
N/A
NVD
CVE-2026-90860
EUVD
EUVD-2026-83843

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
canva mobile_app to 1.15.1 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-212 The product stores, transfers, or shares a resource that contains sensitive information, but it does not properly remove that information before the product makes the resource available to unauthorized actors.

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Executive Summary

The Canva Mobile App for HarmonyOS before version 1.15.1 allowed a WebView controlled by an attacker to access certain headers from responses meant for the app. This could let the attacker steal a user's active session.

Impact Analysis

If you use the vulnerable Canva app, an attacker could hijack your session and access your account without needing your password. This might allow them to view, edit, or delete your designs and data.

Compliance Impact

This vulnerability could lead to unauthorized access to user data, potentially violating GDPR's data protection requirements or HIPAA's privacy rules if sensitive information is exposed.

Mitigation Strategies

Update the Canva Mobile App for HarmonyOS to version 1.15.1 or later to ensure proper header restrictions are in place.

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