Skip to main content
Press slash or control plus K to focus the search. Use the arrow keys to navigate results and press enter to open a threat.
Reconnecting to live updates…

CVE-2026-12588: CWE-409: Improper Handling of Highly Compressed Data (Data Amplification) in Trellix Trellix HX Console

0
Medium
VulnerabilityCVE-2026-12588cvecve-2026-12588cwe-409
Published: 07/14/2026 (07/14/2026, 12:45:10 UTC)
Source: CVE Database V5
Vendor/Project: Trellix
Product: Trellix HX Console

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.

CVSS v4.0

Score 6.0medium

Attack Vector
Network
Attack Complexity
High
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Vuln. Confidentiality
None
Vuln. Integrity
None
Vuln. Availability
High
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Affected software

Affected versions
5.1.1

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 07/14/2026, 13:33:44 UTC

Technical Analysis

This vulnerability involves improper handling of highly compressed data (CWE-409) in Trellix HX Console version 5.1.1. An attacker with access to the system can send maliciously crafted data that causes the console to decompress a large file, resulting in excessive resource consumption and denial of service. The CVSS 4.0 base score is 6.0, reflecting a medium severity with network attack vector, high attack complexity, and low privileges required. No official patch or remediation level has been published by the vendor as of the data provided.

Potential Impact

Successful exploitation results in denial of service due to resource exhaustion on the affected Trellix HX Console system. This can disrupt normal operations and availability of the console, potentially impacting incident response or monitoring activities.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, limit access to the HX Console to trusted users only and monitor for unusual activity that may indicate attempts to exploit this vulnerability.

Pro Console: star threats, build custom feeds, automate alerts via Slack, email & webhooks.Upgrade to Pro

Technical Details

Data Version
5.2
Assigner Short Name
trellix
Date Reserved
2026-06-18T08:34:21.001Z
Cvss Version
4.0
State
PUBLISHED
Remediation Level
null

Threat ID: 6a56374568715ace438e9d3a

Added to database: 07/14/2026, 13:19:01 UTC

Last enriched: 07/14/2026, 13:33:44 UTC

Last updated: 07/14/2026, 20:52:26 UTC

Views: 8

Community Reviews

0 reviews

Crowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.

Sort by
Loading community insights…

Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.

Actions

PRO

Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.

Please log in to the Console to use AI analysis features.

Need more coverage?

Upgrade to Pro Console for AI refresh and higher limits.

For incident response and remediation, OffSeq services can help resolve threats faster.

Latest Threats

Breach by OffSeqOFFSEQFRIENDS — 25% OFF

Check if your credentials are on the dark web

Instant breach scanning across billions of leaked records. Free tier available.

Scan now
OffSeq TrainingCredly Certified

Lead Pen Test Professional

Technical5-day eLearningPECB Accredited
View courses