JSONata vulnerable to Arbitrary Code Execution via crafted JSONata expressions

Date Aug 21, 2026

Type Vendor advisory

Signal Critical vendor advisory

Vendor / Product npm · jsonata

CVE CVE-2026-77414

Critical vendor advisory CVE-2026-77414

Summary

JSONata vulnerable to Arbitrary Code Execution via crafted JSONata expressions

Why it matters

GitHub has published a reviewed security advisory for jsonata. Prioritize it with other application dependency updates.

Operator check

Check whether jsonata is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 9.3.

Sources

GitHub Advisory GHSA-2943-5xfg-gq5f NVD — CVE-2026-77414 Source reference

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.

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