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CVE-2026-43895

4.4 medium SSVC exploitation: poc Analyzed

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.

Fix

Patch, vendor advisory and mitigation references on NVD 2

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 4.4 · jqlangNVD modified 2026-10-26 18:10

Affected (CPE criteria) 1

  • cpe:2.3:a:jqlang:jq:*:*:*:*:*:*:*:*

References 2