CVE-2026-12208 PUBLISHED

jsonata-js jsonata Function Binding Frame System jsonata.js createFrame prototype pollution

Assigner: VulDB
Reserved: 14.06.2026 Published: 15.06.2026 Updated: 15.06.2026

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.

Metrics

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
CVSS Score: 6.9

Product Status

Vendor jsonata-js
Product jsonata
Versions
  • Version 2.0 is affected
  • Version 2.1 is affected
  • Version 2.2.0 is affected

Credits

  • Frederick (VulDB User) reporter
  • VulDB CNA Team coordinator

References

Problem Types

  • Improperly Controlled Modification of Object Prototype Attributes CWE
  • Code Injection CWE