{"id":"CVE-2025-3193","details":"Versions of the package algoliasearch-helper from 2.0.0-rc1 and before 3.11.2 are vulnerable to Prototype Pollution in the _merge() function in merge.js, which allows constructor.prototype to be written even though doing so throws an error. In the \"extreme edge-case\" that the resulting error is caught, code injected into the user-supplied search parameter may be exeucted.\r\rThis is related to but distinct from the issue reported in [CVE-2021-23433](https://security.snyk.io/vuln/SNYK-JS-ALGOLIASEARCHHELPER-1570421).\r\r**NOTE:** This vulnerability is not exploitable in the default configuration of InstantSearch since searchParameters are not modifiable by users.","aliases":["GHSA-529q-4j3p-7c5r"],"modified":"2026-08-12T03:51:37.621017411Z","published":"2025-09-27T05:00:07.140Z","database_specific":{"cna_assigner":"snyk","cwe_ids":["CWE-1321"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/3xxx/CVE-2025-3193.json"},"references":[{"type":"WEB","url":"https://security.snyk.io/vuln/SNYK-JS-ALGOLIASEARCHHELPER-3318396"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/3xxx/CVE-2025-3193.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-3193"},{"type":"REPORT","url":"https://github.com/algolia/algoliasearch-helper-js/issues/922"},{"type":"FIX","url":"https://github.com/algolia/algoliasearch-helper-js/commit/776dff23c87b0902e554e02a8c2567d2580fe12a"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/algolia/algoliasearch-helper-js","events":[{"introduced":"218feb0d35d3f9b3f46724bbbc116321f41e7ee2"},{"fixed":"788c83fc1ca7279ecef3c774e66a5d6f11623831"},{"fixed":"776dff23c87b0902e554e02a8c2567d2580fe12a"}],"database_specific":{"cpe":"cpe:2.3:a:algolia:algoliasearch-helper:*:*:*:*:*:node.js:*:*","extracted_events":[{"introduced":"2.0.0"},{"fixed":"3.11.2"}],"source":["CPE_RANGE","REFERENCES"]}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-3193.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}