Widely used Amazon Redshift JDBC driver; pre-2.2.2 enables arbitrary code execution via crafted JDBC URL, impacting many enterprises.
CVE-2026-8178
RCE via crafted JDBC URL in Redshift driver before 2.2.2.
Is CVE-2026-8178 being exploited?
Not confirmed. CVE-2026-8178 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.57% probability of exploitation in the next 30 days.
How severe is CVE-2026-8178?
CVE-2026-8178 is rated Critical with a CVSS score of 9.2. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-8178?
Yes. A fix has been recorded for CVE-2026-8178. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-8178 affect?
CVE-2026-8178 affects Amazon Redshift JDBC Driver <2.2.2. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-8178?
Upgrade to 2.2.2+; audit classpath and restart services.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Arbitrary class loading/execution via manipulated JDBC URL; attacker could load/execute code on app context if suitable class is on classpath.
Immediate action required