CVE-2026-68494

This CVE notes an incomplete fix for CVE-2026-18401 in jackson-core’s non-blocking parser, leaving a remaining bypass for number-length constraints when data is streamed in many small chunks. The issue arises in the async parser path (MINOR_NUMBER_INTEGER_DIGITS) where validateIntegerLength() is ...

CVE-2026-68494 jackson-core: Async parser maxNumberLength bypass via chunked digit accumulation (incomplete fix for CVE-2026-18401 / GHSA-72hv-8253-57qq)

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. This record covers the remaining bypass. The earlier fix wired validateIntegerLength into a new setIntLength helper and invoked it...