CVE-2026-90860
Canva HarmonyOS App WebView Improper Header Restriction Vulnerability
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.
INFO
Published Date :
Sept. 21, 2026, 7:16 a.m.
Last Modified :
Sept. 21, 2026, 7:16 a.m.
Remotely Exploit :
Yes !
Source :
61adb53e-e4b3-47f7-8a93-4717c9e77dc6
Affected Products
The following products are affected by CVE-2026-90860
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 61adb53e-e4b3-47f7-8a93-4717c9e77dc6 |
Solution
- Update the Canva Mobile App to version 1.15.1 or later.
- Ensure headers are restricted for external origins in WebViews.
- Review WebView security configurations for sensitive data exposure.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-90860.
| URL | Resource |
|---|---|
| https://trust.canva.com?tcuUid=c17214e0-e758-4472-8238-abeb79faff07 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-90860 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-90860
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-90860 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-90860 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by 61adb53e-e4b3-47f7-8a93-4717c9e77dc6
Sep. 21, 2026
Action Type Old Value New Value Added 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. Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N Added CWE CWE-212 Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/90xxx/CVE-2026-90860.json">CVE-2026-90860</a> Added Reference https://trust.canva.com?tcuUid=c17214e0-e758-4472-8238-abeb79faff07