CVE-2026-49304 Missing authorization in HarmonyOS
Attackers can exploit permission control flaws in device key management to disrupt availability on Huawei HarmonyOS devices.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-49304?
CVE-2026-49304 is a medium-severity missing authorization vulnerability in Huawei HarmonyOS, published on 17 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Permission control vulnerability in the device key management module. Impact: Successful exploitation of this vulnerability may affect availability.
Weakness: CWE-264
Which versions are affected by CVE-2026-49304?
How do I fix CVE-2026-49304?
No fix has been published for CVE-2026-49304 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-49304 being exploited?
There is no known exploitation of CVE-2026-49304 in the wild and no public exploit code.
Sources
Also known as GHSA-qqgg-59wm-3ggh.