CVE-2026-41042
Unauthenticated RCE via H2 JDBC INIT in Apache Gravitino testConnection API
Is CVE-2026-41042 being exploited?
Not confirmed. CVE-2026-41042 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 1.5% probability of exploitation in the next 30 days.
How severe is CVE-2026-41042?
CVE-2026-41042 is rated Critical with a CVSS score of 9.1. 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-2026-41042?
Yes. A fix has been recorded for CVE-2026-41042. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-41042 affect?
CVE-2026-41042 affects Apache Gravitino < 1.2.1, H2 Database (when enabled), Servers exposing Gravitino testConnection API. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-41042?
Upgrade Gravitino to 1.2.1 and disable H2 in non-dev environments
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated remote code execution on servers exposing Gravitino testConnection by supplying a malicious H2 JDBC URL (INIT).
Patch when possible
- affected< 1.2.1
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.