CVE-2026-12208

MEDIUM EPSS 23.1%
Published Jun 15, 20262w ago · Modified Jun 17, 20261w ago
5.5 CVSS 4.0
Medium
Find Similar
Published Jun 15, 2026 2w ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
5.5
Exploitability
—
Impact
—
Vector string
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
23.1% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 2

CWE-1321
CWE-94 Improper Control of Generation of Code (Code Injection) Injection

References 5

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.