CVE-2026-24923 Missing authorization in HarmonyOS

Medium 6.3 Published Updated

Attackers can bypass permission controls in the HDC module to access confidential service data on HarmonyOS devices.

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

What is CVE-2026-24923?

CVE-2026-24923 is a medium-severity missing authorization vulnerability in Huawei Harmonyos, published on 6 Feb 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 HDC module. Impact: Successful exploitation of this vulnerability may affect service confidentiality.

Weakness: CWE-264

Which versions are affected by CVE-2026-24923?

It affects 1 product.

Products include Huawei Harmonyos.

How do I fix CVE-2026-24923?

No fix has been published for CVE-2026-24923 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-2026-24923 being exploited?

There is no known exploitation of CVE-2026-24923 in the wild and no public exploit code.

All Huawei Harmonyos vulnerabilities

Sources

Also known as GHSA-qvxh-6cx2-w55w.

Is CVE-2026-24923 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free