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CVE-2026-8178 Amazon CVE debrief

A critical vulnerability exists in Amazon Redshift JDBC Driver versions prior to 2.2.2. The driver could load and execute arbitrary classes when processing JDBC connection URL parameters, potentially allowing code execution in the application context. Users should upgrade to version 2.2.2 or later to mitigate this issue. This issue is particularly concerning as it could allow an actor with influence over the connection URL to execute code, provided a suitable class is available on the application's classpath. Defenders and administrators should assess exposure and prioritize upgrading to version 2.2.2 or later. The vulnerability's impact is heightened by its potential for arbitrary

Vendor
Amazon
Product
Amazon Redshift JDBC Driver
CVSS
CRITICAL 9.2
CISA KEV
Not listed in stored evidence
Original CVE published
2026-05-08
Original CVE updated
2026-10-20
Advisory published
2026-05-08
Advisory updated
2026-10-20

Who should care

Defenders and administrators of applications using Amazon Redshift JDBC Driver versions prior to 2.2.2 should assess exposure and prioritize upgrading to version 2.2.2 or later. This includes reviewing and updating affected applications and systems, monitoring for potential exploitation attempts, and verifying affected versions and scope within their environment. The vulnerability's critical severity and potential for code execution in the application

Why it matters

CVE-2026-8178 is a critical vulnerability in Amazon Redshift JDBC Driver versions prior to 2.2.2, potentially allowing code execution in the application context. Defenders and administrators should assess exposure, prioritize upgrading, and verify affected versions and scope.

  • Potential code execution in application context
  • Arbitrary class loading and execution
  • Need for verification of affected versions and scope
  • Priority for upgrading to version 2.2.2 or later

Technical summary

The Amazon Redshift JDBC Driver versions prior to 2.2.2 are vulnerable to arbitrary class loading and execution when processing JDBC connection URL parameters. This could potentially allow an actor to execute code in the application context if a suitable class is available on the application's classpath. The vulnerability is particularly concerning due to its potential for code execution in the application context, emphasizing the need for defenders and administrators to assess exposure and prioritize upgrading to version 2.2.2 or later.

Defensive priority

High

Recommended defensive actions

  • Upgrade to Amazon Redshift JDBC Driver version 2.2.2 or later
  • Review and update affected applications and systems
  • Monitor for potential exploitation attempts
  • Verify affected versions and scope within your environment
  • Assess exposure and prioritize upgrading
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Track exceptions and retest remediated assets

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, but the scope of affected versions and potential impact require further verification. The Amazon Redshift JDBC Driver versions prior to 2.2.2 are vulnerable to arbitrary class loading and execution when processing JDBC connection URL parameters. This could potentially allow an actor to execute code in the application context if a suitable class is available on the application's classpath. The issue's severity is underscored by its critical CVSS score of 9.2, indicating

Sources and references

Verified primary and authoritative sources

  • CVE-2026-8178 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-8178

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-8178 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-8178

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Source reference

    Unverified legacy reference

    URL: https://aws.amazon.com/security/security-bulletins/2026-028-aws/

    ff89ba41-3aa1-4d27-914a-91399e9639e5

  • Source reference

    Unverified legacy reference

    URL: https://github.com/aws/amazon-redshift-jdbc-driver/releases/tag/v2.2.2

    ff89ba41-3aa1-4d27-914a-91399e9639e5

  • Source reference

    Unverified legacy reference

    URL: https://github.com/aws/amazon-redshift-jdbc-driver/security/advisories/GHSA-wmmv-vvg5-993q

    ff89ba41-3aa1-4d27-914a-91399e9639e5

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.