CVE-2026-12208
Published:June 15, 2026
Updated:September 22, 2026
A weakness has been identified in jsonata-js jsonata before 1.8.8 and 2.x before 2.2.1. 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.
Affected Packages
https://github.com/jsonata-js/jsonata.git (GITHUB):
Affected version(s) >=v2.0.0 <v2.2.1Fix Suggestion:
Update to version v2.2.1https://github.com/jsonata-js/jsonata.git (GITHUB):
Affected version(s) >=v1.0 <v1.8.8Fix Suggestion:
Update to version v1.8.8jsonata (NPM):
Affected version(s) >=1.0.0 <1.8.8Fix Suggestion:
Update to version 1.8.8jsonata (NPM):
Affected version(s) >=1.0.0 <1.8.8Fix Suggestion:
Update to version 1.8.8jsonata (NPM):
Affected version(s) >=2.0.0 <2.2.1Fix Suggestion:
Update to version 2.2.1Additional Notes
The description of this vulnerability differs from MITRE.
Related Resources (13)
Do you need more information?
Contact UsCVSS v4
Base Score:
5.5
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
Exploit Maturity
POC
CVSS v3
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Exploit Maturity
PROOF-OF-CONCEPT
Weakness Type (CWE)
EPSS
Base Score:
0.31