CVE-2026-12208

Description

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 modification of object prototype attributes. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

References

https://vuldb.com/vuln/370850/cti

https://vuldb.com/vuln/370850

https://vuldb.com/submit/832446

https://vuldb.com/cve/CVE-2026-12208

https://github.com/OriginSecurityX/jsonata-hasownproperty-bypass

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3

CVSS v4

EPSS