Improper Null Termination in jq - CVE-2026-33948

 

Improper Null Termination in jq - CVE-2026-33948

Published: April 13, 2026


Vulnerability identifier: #VU125839
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2026-33948
CWE-ID: CWE-170
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vendor: stedolan (Stephen Dolan)
Affected software:
jq

Detailed vulnerability description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to embedded-NUL truncation in jq CLI JSON input path. A remote attacker can cause validation bypass on the system.


How to mitigate CVE-2026-33948

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources