Vulnerability Report

CVE-2026-8838

RCE

Title: Arbitrary Code Execution via Unsafe eval() in amazon-redshift-python-driver

RCE

Proof Of Concept

PoC Available for CVE-2026-8838

CWE Category CWE-94
Published Date May 18, 2026
Modified Date May 19, 2026
Exploit Status Available
Score 9.3 CVSS v4.0
Exploit Probability (EPSS)
0.70%

Vulnerability Summary

CVE-2026-8838: 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.

Impacted Vendors

Analysis in Progress...

Reference Links

https://aws.amazon.com/security/security-bulletins/2026-033-aws/ https://github.com/aws/amazon-redshift-python-driver/releases/tag/v2.1.14 https://github.com/aws/amazon-redshift-python-driver/security/advisories/GHSA-29h4-r29x-hchv
CVSS v4.0
Source Entity ff89ba41-3aa1-4d27-914a-91399e9639e5
Severity CRITICAL
9.3
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
N/A
RAW VECTOR 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
CVSS v3.1
Source Entity ff89ba41-3aa1-4d27-914a-91399e9639e5
Severity CRITICAL
9.8
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2026-8838 Exploits & PoCs (Proof Of Concept)

GitHub https://github.com/Maxime288/CVE-2026-8838-RCE
View Code
MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String 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

Affected Stack

No specific products linked.