CVE-2026-12588 Denial of service in Trellix HX Console
An attacker can cause a Denial of Service on Trellix HX Console by sending crafted data that triggers excessive resource consumption during decompression.
- 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-2026-12588?
CVE-2026-12588 is a medium-severity denial of service vulnerability in Trellix HX Console, published on 14 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
An attacker with access to an HX 10.0.0 and previous versions, may send specially-crafted data to the HX console. The malicious detection would then trigger decompression of a large file that consumes an excessive amount of system resources thus causing a Denial of Service.
Weakness: CWE-409
Which versions are affected by CVE-2026-12588?
How do I fix CVE-2026-12588?
No fix has been published for CVE-2026-12588 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-2026-12588 being exploited?
There is no known exploitation of CVE-2026-12588 in the wild and no public exploit code.
Sources
Also known as GHSA-h467-wgwr-q697.