In short
- CVE-2026-12208 is a MEDIUM (CVSS 5.3) vulnerability affecting jsonata.
- Chance of exploitation in the next 30 days (EPSS): 0.31%, higher than 24.4% of all vulnerabilities.
- Fix: update to 2.2.1, 1.8.8 or later.
| Package | Affected versions | Patched versions |
|---|
| jsonata npm | ≥ 2.0.0, < 2.2.1< 1.8.8
| 2.2.11.8.8
|
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.
NVD 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.
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