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CVE-2026-90860

Quick assessment

Affected
Canva Canva
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

HarmonyOS 上的 Canva 移动应用（v1.15.1 之前版本）未限制返回给运行在特权 WebView 中的外部来源的响应头。攻击者若能控制该 WebView，即可访问用户的会话信息。

CVSS 7.1 · High EPSS 0.18% · P7

Possible ATT&CK Techniques 1 AI

T1557 · Adversary-in-the-Middle

Affected Version Matrix 1

VendorProduct Version RangeStatus
Canva Canva < 1.15.1 affected
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I. Basic Information for CVE-2026-90860

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
敏感数据的不恰当跨边界移除
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Canva Canva 0 ~ 1.15.1 -

II. Public POCs for CVE-2026-90860

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III. Intelligence Information for CVE-2026-90860

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IV. Related Vulnerabilities

Same product: Canva
Same vendor: Canva
Same weakness: CWE-212

V. Comments for CVE-2026-90860

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