CVE-2026-85094

Header Leak in Canva Android App Enables Session Hijacking via External WebView

Published Sep 4, 2026 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Description
The Canva Android App before 2.376.0 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.

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
Title Header Leak in Canva Android App Enables Session Hijacking via External WebView
Type Values Removed Values Added
Description The Canva Android App before 2.376.0 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.
First Time appeared Canva
Canva canva
Weaknesses CWE-212
CPEs cpe:2.3:a:canva:canva:*:*:*:*:*:android:*:*
Vendors & Products Canva
Canva canva
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Canva
Published
Updated
Sep 4, 2026, 7:46 PM
Reserved
Sep 2, 2026, 11:55 PM
Status
Deferred
Published
Sep 4, 2026, 7:17 AM
Modified
Sep 8, 2026, 2:03 PM