CVE-2026-90860 PUBLISHED

Assigner: Canva
Reserved: 14.09.2026 Published: 21.09.2026 Updated: 21.09.2026

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.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N
CVSS Score: 7.1

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	Low
Privileges Required	None	Integrity Impact	High
User Interaction	Required	Availability Impact	None

CVSS 3.1

Product Status

Vendor	Canva
Product	Canva
Versions	Default: unaffected affected from 0 to 1.15.1 (excl.)

Credits

Wing Cheng (Canva) finder
Tin Duong (Canva) finder

References

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

Problem Types

CWE-212 Improper removal of sensitive information before storage or transfer CWE