High severity · published Sep 21, 2026
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
7.1
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 23% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CA
Canva · Canva
before 1.15.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-90860
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-90860
trust.canva.com
https://trust.canva.com?tcuUid=c17214e0-e758-4472-8238-abeb79faff07
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