CVE-2026-12208
1 advisory.
npm/jsonata CVE-2026-12208: medium 5.3, EPSS 0.31%
jsonata: Function Binding Prototype Pollution via hasOwnProperty Override
Action: Upgrade jsonata to 1.8.8 or later.
npm i jsonata@1.8.8npm i jsonata@2.2.1Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1.8.8 | - |
| 2.0.0 | 2.2.1 | - |
Fixed versions
| 1.8.8 | 2.2.1 |
Sources
- osv: GHSA-663r-x48j-fg8p
- https://nvd.nist.gov/vuln/detail/CVE-2026-12208
- https://github.com/jsonata-js/jsonata/pull/799
- https://github.com/jsonata-js/jsonata/pull/806
- https://github.com/jsonata-js/jsonata/commit/59e25144fc3b7125f6befd71b8a6e14e1fa610d2
- https://github.com/jsonata-js/jsonata/commit/f09df8416eab8ff44926fc6527c80fb8701de159
- https://github.com/OriginSecurityX/jsonata-hasownproperty-bypass
- https://github.com/jsonata-js/jsonata
- https://github.com/jsonata-js/jsonata/releases/tag/v1.8.8
- https://github.com/jsonata-js/jsonata/releases/tag/v2.2.1
- https://vuldb.com/cve/CVE-2026-12208
- https://vuldb.com/submit/832446
- https://vuldb.com/vuln/370850
- https://vuldb.com/vuln/370850/cti
CVE-2026-12208 · published · modified · JSON