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CVE-2026-43895

jq: Embedded NUL in jq import paths causes local redaction-policy bypass and preserves sensitive fields in published artifacts

Published: 5/11/2026 Last updated: 5/13/2026 Reserved: 5/4/2026

jq is a command-line JSON processor. In 1.8.1 and earlier, jq accepts embedded NUL bytes in import paths at the jq-language level, but later resolves those paths through C string operations during module and data-file lookup. This creates a mismatch between the logical import string that policy or audit code may validate and the on-disk path that jq actually opens.

CNA assigner: GitHub_M (a0819718-46f1-4df5-94e2-005712e83aaa) Requested by: n/a

Metrics

Version Score Severity Vector String
3.1 4.4 Medium CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Opam packages affected (2)

conf-jq travis-opam

Products affected (2)

Product Vendor Version
jq jqlang All versions >= V3.0 and < V4.1
jq jqlang n/a

References (4)