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CVE-2026-107171 Trellix CVE debrief

A Hardcoded Cryptographic Key vulnerability exists in Trellix Agent 5.8.4, which could allow regular users to decrypt the database. This issue has a CVSS score of 6.9 and is considered medium severity. The CVE was published on 2026-10-14T07:11:09.227Z and last modified on 2026-10-14T15:57:50.108Z. Defenders responsible for Trellix Agent installations, especially those using version 5.8.4, should assess their exposure and prioritize verification and potential remediation. The vulnerability allows regular users to decrypt the database due to a hardcoded cryptographic key. This could lead to unauthorized access to sensitive information. The CVE record and source item provide detailed

Vendor
Trellix
Product
Trellix Agent
CVSS
MEDIUM 6.9
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-14
Original CVE updated
2026-10-14
Advisory published
2026-10-14
Advisory updated
2026-10-14

Who should care

Defenders responsible for Trellix Agent installations, especially those using version 5.8.4, should assess their exposure and prioritize verification and potential remediation.

Why it matters

CVE-2026-107171 is a medium-severity vulnerability in Trellix Agent 5.8.4 that allows regular users to decrypt the database due to a hardcoded cryptographic key. Defenders should prioritize verifying the presence of this vulnerability and consider upgrading to a fixed version.

  • Regular users may be able to decrypt the database, potentially leading to unauthorized access to sensitive information.
  • Defenders need to verify the presence of this vulnerability in their Trellix Agent installations.
  • Remediation may require upgrading to a fixed version of Trellix Agent.

Technical summary

The CVE-2026-107171 vulnerability exists in Trellix Agent 5.8.4 due to a hardcoded cryptographic key. This allows regular users to decrypt the database, potentially leading to unauthorized access to sensitive information. The vulnerability is considered medium severity with a CVSS score of 6.9. Defenders should prioritize verifying the presence of this vulnerability in their Trellix Agent installations, especially for version 5.8.4. The hardcoded key could enable regular users to access sensitive data without proper authorization. Trellix Agent installations,

Defensive priority

Defenders should prioritize verifying the presence of this vulnerability in their Trellix Agent installations, especially for version 5.8.4, and consider upgrading to a fixed version if available.

Recommended defensive actions

  • Verify the presence of Trellix Agent 5.8.4 in your environment
  • Check for and apply any available patches or updates from Trellix
  • Monitor for potential exploitation attempts
  • Review and update incident response plans if necessary

Evidence notes

The CVE record and source item provide information about the hardcoded cryptographic key vulnerability in Trellix Agent 5.8.4. The vendor, Trellix, has provided a support article related to this issue.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-107171 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-107171

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-107171 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-107171

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • CVE-2026-107171

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/107xxx/CVE-2026-107171.json

    cve_program_cvelist_v5

  • Source reference

    Unverified legacy reference

    URL: https://support.trellix.com/s/article/000015866

    Supplemental source

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.