CVE-2026-27648: web_webview has an out-of-bounds write vulnerability
Published May 19, 2026
·Updated
in OpenHarmony v6.0 and prior versions allow a remote attacker arbitrary code execution in pre-installed apps.
Affected Software
1 affected component
OpenHarmony web_webview<=6.0
Event History
May 19, 2026
CVE Published
via MITRE·02:58 AM
Data Sourced
via MITRE·02:58 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·04:16 AM
DescriptionSeverityWeakness
Frequently Asked Questions
1
What is the severity of CVE-2026-27648?
CVE-2026-27648 has a high severity rating due to the potential for arbitrary code execution by remote attackers.
2
How do I fix CVE-2026-27648?
To address CVE-2026-27648, upgrade OpenHarmony web_webview to version 6.1 or higher where the vulnerability is patched.
3
What causes CVE-2026-27648?
CVE-2026-27648 is caused by an out-of-bounds write vulnerability within OpenHarmony's web_webview component.
4
What types of attacks can be executed through CVE-2026-27648?
Remote attackers can exploit CVE-2026-27648 to execute arbitrary code in pre-installed apps on affected devices.
5
Who is affected by CVE-2026-27648?
Users of OpenHarmony web_webview version 6.0 and prior are at risk of exploitation through CVE-2026-27648.