CVE-2026-2131 XixianLiang HarmonyOS-mcp-server input_text os command injection

Medium 5.3 Published Updated

Attackers can execute arbitrary OS commands via the input_text function in HarmonyOS-mcp-server, potentially compromising the host system.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-2131?

CVE-2026-2131 is a medium-severity command injection vulnerability in XixianLiang HarmonyOS-mcp-server, published on 8 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability was identified in XixianLiang HarmonyOS-mcp-server 0.1.0. This vulnerability affects the function input_text. The manipulation of the argument text leads to os command injection. Remote exploitation of the attack is possible. The exploit is publicly available and might be used.

Weakness: CWE-78, CWE-77

Which versions are affected by CVE-2026-2131?

It affects 1 product.

Products include Xixianliang Harmonyos Mcp Server.

How do I fix CVE-2026-2131?

No fix has been published for CVE-2026-2131 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2026-2131 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-2131 exists.

Sources

Also known as GHSA-2fhv-6v4j-h4qx.

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