QwikSec

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CVE

CWE

Training

CVE-2026-40612

Published: May 11, 2026

Modified: May 11, 2026

PUBLISHED

Description

jq is a command-line JSON processor. In 1.8.1 and earlier, jv_contains recurses into nested arrays/objects with no depth limit. With a sufficiently nested input structure (built programmatically with reduce, since the JSON parser caps at depth 10000), the C stack is exhausted.

Vendor	Product	Versions
jqlang	jq	affected `<= 1.8.1`

Weaknesses (CWE)

References

https://github.com/jqlang/jq/security/advisories/GHSA-r7m6-x9c7-h69j

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