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 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.

CVSS v3 5.3 MEDIUM
CVSS v2.0 5.0 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:P/A:N

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://github.com/OriginSecurityX/jsonata-hasownproperty-bypass
https://vuldb.com/cve/CVE-2026-12208
https://vuldb.com/submit/832446
https://vuldb.com/vuln/370850
https://vuldb.com/vuln/370850/cti

Configurations

No configuration.

History

15 Jun 2026, 03:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-15 03:16

Updated : 2026-06-17 10:14

NVD link : CVE-2026-12208

Mitre link : CVE-2026-12208

CVE.ORG link : CVE-2026-12208

JSON object : View

Products Affected

No product.

CWE

CWE-94

Improper Control of Generation of Code ('Code Injection')

CWE-1321

Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

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