RCE in AWS Amazon Redshift Connector For Python
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.
Vulnerability class: RCE (Remote Code Execution)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.008 (54.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 54.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: -0.000
Affected products
- AWS Amazon Redshift Connector For Python — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- ff89ba41-3aa1-4d27-914a-91399e9639e5 (patch)
- ff89ba41-3aa1-4d27-914a-91399e9639e5 (vendor-advisory)
- ff89ba41-3aa1-4d27-914a-91399e9639e5 (third-party-advisory)
Frequently asked questions
- What is CVE-2026-8838?
- CVE-2026-8838 is a critical-severity vulnerability in AWS Amazon Redshift Connector For Python, classified under Code Injection. CVSS score: 9.8/10. Published 2026-05-18.
- How severe is CVE-2026-8838?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2026-8838 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.