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.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
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

Configurations

No configuration.

History

No history.

Information

Published : 2026-05-18 21:16

Updated : 2026-07-23 20:10

NVD link : CVE-2026-8838

Mitre link : CVE-2026-8838

CVE.ORG link : CVE-2026-8838

JSON object : View

Products Affected

No product.

CWE

CWE-94

Improper Control of Generation of Code ('Code Injection')

{"id": "CVE-2026-8838", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-8838", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-05-19T12:56:00.394264Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "ff89ba41-3aa1-4d27-914a-91399e9639e5", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}], "cvssMetricV40": [{"type": "Secondary", "source": "ff89ba41-3aa1-4d27-914a-91399e9639e5", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 9.3, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "valueDensity": "NOT_DEFINED", "vectorString": "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", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "ff89ba41-3aa1-4d27-914a-91399e9639e5", "affectedData": [{"vendor": "AWS", "product": "Amazon Redshift connector for Python", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "2.1.13"}], "defaultStatus": "unaffected"}]}], "published": "2026-05-18T21:16:41.623", "references": [{"url": "https://aws.amazon.com/security/security-bulletins/2026-033-aws/", "source": "ff89ba41-3aa1-4d27-914a-91399e9639e5"}, {"url": "https://github.com/aws/amazon-redshift-python-driver/releases/tag/v2.1.14", "source": "ff89ba41-3aa1-4d27-914a-91399e9639e5"}, {"url": "https://github.com/aws/amazon-redshift-python-driver/security/advisories/GHSA-29h4-r29x-hchv", "source": "ff89ba41-3aa1-4d27-914a-91399e9639e5"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "ff89ba41-3aa1-4d27-914a-91399e9639e5", "description": [{"lang": "en", "value": "CWE-94"}]}], "descriptions": [{"lang": "en", "value": "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. \n\n\n\nTo remediate this issue, users should upgrade to version 2.1.14."}, {"lang": "es", "value": "Uso inseguro de la funci\u00f3n eval() de Python en datos recibidos del servidor en la funci\u00f3n vector_in() en amazon-redshift-python-driver anterior a 2.1.14 permite a un servidor malicioso o a un actor man-in-the-middle ejecutar c\u00f3digo arbitrario en el cliente.\n\nPara solucionar este problema, los usuarios deben actualizar a la versi\u00f3n 2.1.14."}], "lastModified": "2026-07-23T20:10:00.130", "sourceIdentifier": "ff89ba41-3aa1-4d27-914a-91399e9639e5"}