Header Exposure Vulnerability in Canva Android App
CVE-2026-85094

8.8HIGH

Key Information:

Vendor

Canva

Status
Canva
Vendor
CVE Published:
4 September 2026

What is CVE-2026-85094?

A security flaw in the Canva Android App prior to version 2.376.0 allows unauthorized access to user sessions through a privileged WebView. This issue arises from inadequate restrictions on headers returned to external origins, enabling threat actors with control over the WebView to exploit user session information.

Affected Version(s)

Canva 0 < 2.376.0

References

https://trust.canva.com/?tcuUid=be2ebc32-7053-4885-bf71-6...

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

hakupiku (Bugcrowd)
.