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CriticalVulnerabilityCVE-2026-67074updated 28 Oct 2026, 16:41 UTC

HCL BigFix AEX has a flaw that lets attackers run their own code remotely

Attackers may be able to send crafted input to HCL BigFix AEX and make it run commands they choose, which could let them read data or take over the system. The advisory does not say how this is triggered.

Official, 2 sources
SeverityCriticalCVSS 9.1 of 10
Being exploited?UnclearNo reports either way yet
Fix available?UnclearNo fixed version published in the sources yet
How sure is this?Official, 2 sourcesBacked by an official source

What happened

HCL BigFix AEX contains a remote code execution vulnerability, allowing code to execute with the privileges of the affected application or service.

Why it is dangerous: A successful attack could lead to unauthorized access, exposure of data, or full compromise of the system running BigFix AEX.

Are you affected?

You are affected if you run HCL BigFix AEX in a version the advisory lists as vulnerable.

HCL BigFix AEX (specific versions not stated in the provided material)

What to do

  1. Check your HCL BigFix AEX version against the vendor advisory
  2. Apply the vendor's fixed version or official mitigation as soon as it is available
  3. Restrict network access to BigFix AEX until it is patched
  4. Review logs for unusual activity on BigFix AEX hosts

Timeline

  1. 28 Oct 2026, 13:17 UTC
    Publicly disclosed
  2. 28 Oct 2026, 13:17 UTC
    Reported by NVD · NVD
  3. 28 Oct 2026, 13:20 UTC
    Picked up by Zero Radar
  4. 28 Oct 2026, 16:41 UTC
    GitHub Advisory reported on it · GitHub Advisory

Sources 2 reports, oldest first

Official vendor, government CERT or advisory database

Technical details

ID
CVE-2026-67074 · GHSA-xggg-wx2g-vpxr
CVSS
9.1 / 10
EPSS
0.5% chance of exploitation within 30 days
Disclosed
28 Oct 2026, 13:17 UTC
On Zero Radar
28 Oct 2026, 13:20 UTC (3 min after disclosure)
Last change
28 Oct 2026, 16:41 UTC

The plain-language parts and the attack diagram were written by an AI model (anthropic/claude-haiku-5.5) from the sources above. Facts like versions, exploitation and dates come from the sources themselves. How Zero Radar works

HCL BigFix AEX has a flaw that lets attackers run their own code remotely · Zero Radar