CVE-2026-27648
web_webview has an out-of-bounds write vulnerability
in OpenHarmony v6.0 and prior versions allow a remote attacker arbitrary code execution in pre-installed apps.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
web_webview has an out-of-bounds write vulnerability
in OpenHarmony v6.0 and prior versions allow a remote attacker arbitrary code execution in pre-installed apps.
- Record
CVE-2026-27648- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
EUVDEUVD-2026-30829
in OpenHarmony v6.0 and prior versions allow a remote attacker arbitrary code execution in pre-installed apps.
- Record
EUVD-2026-30829- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-fpp4-pf9w-p6rr
in OpenHarmony v6.0 and prior versions allow a remote attacker arbitrary code execution in pre...
in OpenHarmony v6.0 and prior versions allow a remote attacker arbitrary code execution in pre-installed apps.
- Record
GHSA-fpp4-pf9w-p6rr- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
NVD
in OpenHarmony v6.0 and prior versions allow a remote attacker arbitrary code execution in pre-installed apps.
- Record
CVE-2026-27648- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-27648 is a high vulnerability (CVSS 8.8) in Openharmony, published May 19, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.55%, the 46th percentile. No source names a fixed version.