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CVE-2026-8838

CriticalPublished

Remote Code Execution via eval() Injection in amazon-redshift-python-driver

Published: May 18, 2026
Updated: May 19, 2026
Assigning CNA: AMZN
Evidence observed: Aug 8, 2026

Primary CVSS

9.3/ 10Critical

nvd · CVSS 4.0

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS probability estimate

0.8%

Low · next 30 days

Percentile: 54.9%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

Unsafe use of Python's eval() on server-received data in the vector_in() function in amazon-redshift-python-driver before 2.1.14 allows a rogue server or man-in-the-middle actor to execute arbitrary code on the client. To remediate this issue, users should upgrade to version 2.1.14.

Sources

CVE-2026-8838-Mitigation-and-DetectionPoC
Detection and mitigation scripts for CVE-2026-8838, providing vulnerability scanning, configuration auditing, and incident response guidance to secure affected systems.
CVE-2026-8838-RCEPoC
Educational PoC for CVE-2026-8838, a critical RCE vulnerability in Amazon Redshift Python Driver via unsafe eval() in vector_in(). Includes technical analysis, attack vector, and mitigation guidance.

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