Improper Neutralization of Null Byte or NUL Character The advisory has been revoked - it doesn't affect any version of package jqlang/jq (opens in a new tab)
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-JQLANGJQ-16642081
- published12 May 2026
- disclosed11 May 2026
- creditklungler
Introduced: 11 May 2026
CVE-2026-41256 (opens in a new tab)Amendment
This was deemed not a vulnerability.
Overview
Affected versions of this package are vulnerable to Improper Neutralization of Null Byte or NUL Character via the -f option when loading top-level programs containing embedded NUL bytes. An attacker can cause truncation of the loaded program, leading to unintended code execution by supplying a crafted filter file with an embedded NUL character.