{"id":"CVE-2023-26135","details":"All versions of the package flatnest are vulnerable to Prototype Pollution via the nest() function in the flatnest/nest.js file.","aliases":["GHSA-7px2-3c2p-q4v4"],"modified":"2026-08-12T03:51:44.090641239Z","published":"2023-06-30T05:00:01.815Z","database_specific":{"unresolved_ranges":[{"extracted_events":[{"fixed":"*"}],"source":"AFFECTED_FIELD"}],"cna_assigner":"snyk","cwe_ids":["CWE-1321"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/26xxx/CVE-2023-26135.json"},"references":[{"type":"WEB","url":"https://github.com/brycebaril/node-flatnest/blob/b7d97ec64a04632378db87fcf3577bd51ac3ee39/nest.js%23L43"},{"type":"WEB","url":"https://security.snyk.io/vuln/SNYK-JS-FLATNEST-3185149"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/26xxx/CVE-2023-26135.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-26135"},{"type":"REPORT","url":"https://github.com/brycebaril/node-flatnest/issues/4"},{"type":"FIX","url":"https://github.com/brycebaril/node-flatnest/commit/27d569baf9d9d25677640edeaf2d13af165868d6"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/brycebaril/node-flatnest","events":[{"introduced":"0"},{"fixed":"27d569baf9d9d25677640edeaf2d13af165868d6"}],"database_specific":{"source":"REFERENCES"}}],"versions":["v1.0.0","v0.2.2","v0.2.1","v0.2.0","v0.1.1","v0.1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-26135.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:L/I:L/A:L/E:P"}]}