CVE-2026-85028

Summary

Creation of a temporary file in a directory with insecure permissions in the FPGA management tool installation component in AWS FPGA Development Kit (aws-fpga) before 2.3.4 might allow local users to execute arbitrary code with root privileges via crafted shell content placed at a predictable path in a world-writable temporary directory, which the installation step reads after elevating its own privileges.

To remediate this issue, users should upgrade to version 2.3.4.

Affected Software

Weaknesses

• CWE-379: CWE-379 Creation of temporary file in directory with insecure permissions

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: total

References

• https://github.com/aws/aws-fpga/releases/tag/v2.3.4
• https://aws.amazon.com/security/security-bulletins/2026-096-aws/
• https://github.com/aws/aws-fpga/security/advisories/GHSA-g4hc-wrmm-2x74

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