CVE-2026-43896: Jqlang Jq

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

jq is a command-line JSON processor. In 1.8.1 and earlier, unbounded recursion in jv_object_merge_recursive() allows a crafted jq program to crash the process with a segfault. The function is reachable through the * operator when both operands are objects.

Affected products

• Jqlang Jq: up to and including 1.8.1

Published 2026-05-11. Last modified 2026-06-17.