What is CVE-2026-90860?

CVE-2026-90860 is a high-severity vulnerability in Canva, classified under Improper Removal of Sensitive Information Before Storage or Transfer. CVSS score: 7.1/10. Published 2026-09-21.

How severe is CVE-2026-90860?

High severity. CVSS v3 base score is 7.1 out of 10.

Vulnerability in Canva

CVE-2026-90860

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.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N.

Affected products

Canva

Weakness classification (CWE)

CWE-212 — Improper Removal of Sensitive Information Before Storage or Transfer

References

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

Frequently asked questions

What is CVE-2026-90860?: CVE-2026-90860 is a high-severity vulnerability in Canva, classified under Improper Removal of Sensitive Information Before Storage or Transfer. CVSS score: 7.1/10. Published 2026-09-21.
How severe is CVE-2026-90860?: High severity. CVSS v3 base score is 7.1 out of 10.