What is CVE-2026-33948?

CVE-2026-33948 is a medium-severity vulnerability in Jqlang Jq, classified under Improper Input Validation. CVSS score: 5.3/10. Published 2026-04-14.

How severe is CVE-2026-33948?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Improper input validation in Jqlang Jq

CVE-2026-33948

jq is a command-line JSON processor. Commits before 6374ae0bcdfe33a18eb0ae6db28493b1f34a0a5b contain a vulnerability where CLI input parsing allows validation bypass via embedded NUL bytes. When reading JSON from files or stdin, jq uses st…

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

EPSS: 0.003 (17.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Jqlang Jq — versions < 6374ae0bcdfe33a18eb0ae6db28493b1f34a0a5b

Weakness classification (CWE)

References

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

Frequently asked questions

What is CVE-2026-33948?: CVE-2026-33948 is a medium-severity vulnerability in Jqlang Jq, classified under Improper Input Validation. CVSS score: 5.3/10. Published 2026-04-14.
How severe is CVE-2026-33948?: Medium severity. CVSS v3 base score is 5.3 out of 10.