CVE-2026-28538 Path traversal in HarmonyOS
A path traversal flaw in HarmonyOS certificate management allows attackers to disrupt system availability.
- 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-2026-28538?
CVE-2026-28538 is a medium-severity path traversal vulnerability in Huawei Harmonyos, published on 5 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Path traversal vulnerability in the certificate management module. Impact: Successful exploitation of this vulnerability may affect availability.
Which versions are affected by CVE-2026-28538?
It affects 1 product.
Products include Huawei Harmonyos.
How do I fix CVE-2026-28538?
No fix has been published for CVE-2026-28538 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-28538 being exploited?
There is no known exploitation of CVE-2026-28538 in the wild and no public exploit code.
Other vulnerabilities in Huawei Harmonyos
Sources
Also known as GHSA-x4xj-9mhp-w8jm.