{"id":"CVE-2026-5758","revision":"e3af4175807b4fdda814e2647e5f5505","records":[{"revision":"e3af4175807b4fdda814e2647e5f5505","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-5758","aliases":[],"title":"Mafintosh's protocol-buffers-schema is vulnerable to prototype pollution","description":"JavaScript is vulnerable to prototype pollution in Mafintosh's protocol-buffers-schema Version 3.6.0, where an attacker may alter the application logic, bypass security checks, cause a DoS or achieve remote code execution.","state":0,"publishedAt":"2026-04-15T17:20:13.551+00:00","modifiedAt":"2026-04-15T18:55:45.526+00:00","affected":[{"ecosystem":"Vendor product","name":"Protocol-buffers-schema parser","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Mafintosh\",\n                    \"product\": \"Protocol-buffers-schema parser\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"3.6.0\",\n                            \"lessThan\": \"3.6.1\",\n                            \"versionType\": \"custom\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://github.com/mafintosh/protocol-buffers-schema/pull/70","https://morielharush.github.io/2026/04/12/cve-2026-5758-protocol-buffers-schema-prototype-pollution/"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-5758","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-5758","identifiers":["CVE-2026-5758"]},"retained":false,"historicalAffected":[]}],"coverage":[]}