CVE-2026-15053 Tanium addressed a denial of service vulnerability in Tanium Server.

High 7.5 Published Updated

Attackers can cause a denial of service in Tanium Server, requiring administrators to apply the vendor patch.

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

What is CVE-2026-15053?

CVE-2026-15053 is a high-severity denial of service vulnerability in Tanium Server, published on 8 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Tanium addressed a denial of service vulnerability in Tanium Server.

Weakness: CWE-789

Which versions are affected by CVE-2026-15053?

It affects 1 product.

Products include Tanium Server.

How do I fix CVE-2026-15053?

No fix has been published for CVE-2026-15053 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-2026-15053 being exploited?

There is no known exploitation of CVE-2026-15053 in the wild and no public exploit code.

Sources

Also known as GHSA-83fv-4g7p-rcp3.

Is CVE-2026-15053 in your software?

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