Read the docs
Red Hat Security Advisory

RHSA-2026:54440

Red Hat Lightspeed (formerly Insights) for Runtimes security update

Released 2026-08-12 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 4 records

Priority HIGH 77

The fix released in jackson-core 2.18.6 and 2.21.1 for CVE-2026-18401 (GHSA-72hv-8253-57qq, number length constraint bypass in the non-blocking parser) is incomplete.

CVSS 4.0HIGH 8.7 Network No auth No interaction EPSS 0.00463 Published 2026-08-04 Partial fix · 2.18.8, 2.21.4 +1 CWE-770