What is CVE-2026-12208?

CVE-2026-12208 is a medium-severity vulnerability in Jsonata-js Jsonata, classified under Code Injection. CVSS score: 5.3/10. Published 2026-06-15.

How severe is CVE-2026-12208?

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

RCE in Jsonata-js Jsonata

CVE-2026-12208

A weakness has been identified in jsonata-js jsonata up to 2.2.0. The affected element is the function createFrame of the file src/jsonata.js of the component Function Binding Frame System. This manipulation causes improperly controlled mo…

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.003 (23.8th 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

Jsonata-js Jsonata — versions 2.0, 2.1, 2.2.0

Weakness classification (CWE)

References

cna@vuldb.com (exploit)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (technical-description, vdb-entry)
cna@vuldb.com (signature, permissions-required)

Frequently asked questions

What is CVE-2026-12208?: CVE-2026-12208 is a medium-severity vulnerability in Jsonata-js Jsonata, classified under Code Injection. CVSS score: 5.3/10. Published 2026-06-15.
How severe is CVE-2026-12208?: Medium severity. CVSS v3 base score is 5.3 out of 10.