What is CVE-2026-43895?

CVE-2026-43895 is a medium-severity vulnerability in Jqlang Jq, classified under Improper Input Validation. CVSS score: 4.4/10. Published 2026-05-11.

How severe is CVE-2026-43895?

Medium severity. CVSS v3 base score is 4.4 out of 10.

Improper input validation in Jqlang Jq

CVE-2026-43895

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…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.000 (5.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

Affected products

Jqlang Jq — versions <= 1.8.1

Weakness classification (CWE)

CWE-20 — Improper Input Validation
CWE-158

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2026-43895?: CVE-2026-43895 is a medium-severity vulnerability in Jqlang Jq, classified under Improper Input Validation. CVSS score: 4.4/10. Published 2026-05-11.
How severe is CVE-2026-43895?: Medium severity. CVSS v3 base score is 4.4 out of 10.