CVE-2026-7402 Improper Rate Limiting in MeWare Software's PDKS

High 8.1 Published Updated

Attackers can flood the PDKS system due to improper rate limiting, causing denial of service for legitimate users.

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-2026-7402?

CVE-2026-7402 is a high-severity denial of service vulnerability in MeWare Software Development Inc. PDKS, published on 30 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Improper Control of Interaction Frequency vulnerability in MeWare Software Development Inc. PDKS allows Flooding.

This issue affects PDKS: from V16.20200313 before VMYR_3.5.2025117.

Weakness: CWE-799

Which versions are affected by CVE-2026-7402?

How do I fix CVE-2026-7402?

No fix has been published for CVE-2026-7402 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2026-7402 being exploited?

There is no known exploitation of CVE-2026-7402 in the wild and no public exploit code.

Sources

Also known as GHSA-6fmh-3798-3j6g.

Is CVE-2026-7402 in your software?

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