Critical severity · published May 18, 2026
CVE-2026-8838
Remote Code Execution via eval() Injection in amazon-redshift-python-driver
9.8
CVSS
0.8%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 57% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AR
Amazon Redshift connector for Python · AWS
through 2.1.13 · source: vendor
Affected product
AR
Amazon Redshift connector for Python
AWS
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-8838
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-8838
aws.amazon.com
https://aws.amazon.com/security/security-bulletins/2026-033-aws/
github.com
https://github.com/aws/amazon-redshift-python-driver/releases/tag/v2.1.14
github.com
https://github.com/aws/amazon-redshift-python-driver/security/advisories/GHSA-29h4-r29x-hchv