CVE-2026-34860 Missing authorization in HarmonyOS

Medium 4.1 Published 13 Apr 2026 Updated 13 Apr 2026

Attackers can bypass access controls in the memo module to compromise data confidentiality and system availability.

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-2026-34860?

CVE-2026-34860 is a medium-severity missing authorization vulnerability in Huawei Harmonyos, published on 13 Apr 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

Access control vulnerability in the memo module. Impact: Successful exploitation of this vulnerability will affect availability and confidentiality.

Weakness: CWE-284

Which versions are affected by CVE-2026-34860?

It affects 1 product.

Products include Huawei Harmonyos.

How do I fix CVE-2026-34860?

No fix has been published for CVE-2026-34860 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-2026-34860 being exploited?

There is no known exploitation of CVE-2026-34860 in the wild and no public exploit code.

All Huawei Harmonyos vulnerabilities

Sources

Also known as GHSA-3pf2-jjmr-vrv6.