CVE-2025-66319 Missing authorization in HarmonyOS

Low 3.3 Published Updated

Attackers can bypass permission controls in the resource scheduling module to compromise service integrity on Huawei HarmonyOS devices.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2025-66319?

CVE-2025-66319 is a low-severity missing authorization vulnerability in Huawei Harmonyos, published on 5 Mar 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Permission control vulnerability in the resource scheduling module. Impact: Successful exploitation of this vulnerability may affect service integrity.

Weakness: CWE-264

Which versions are affected by CVE-2025-66319?

It affects 1 product.

Products include Huawei Harmonyos.

How do I fix CVE-2025-66319?

No fix has been published for CVE-2025-66319 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-2025-66319 being exploited?

There is no known exploitation of CVE-2025-66319 in the wild and no public exploit code.

All Huawei Harmonyos vulnerabilities

Sources

Also known as GHSA-rp7g-qf5x-69xv.

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