CVE-2025-61140: JSONPath vulnerable to Prototype Pollution due to insufficient input validation of object keys in lib/index.js

January 28, 2026 (updated February 2, 2026)

The value function in jsonpath 1.1.1 lib/index.js is vulnerable to Prototype Pollution.

References

gist.github.com/Dremig/8105c189774217222a8ebea3ed4d341d
github.com/advisories/GHSA-6c59-mwgh-r2x6
github.com/dchester/jsonpath
github.com/dchester/jsonpath/issues/181
nvd.nist.gov/vuln/detail/CVE-2025-61140

Code Behaviors & Features

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