CVE-2026-5079

A flaw was found in Multer. A remote attacker can exploit this vulnerability by sending a single HTTP request with crafted multipart form data containing deeply nested field names. This can force the allocation of deeply nested object structures, consuming excessive CPU and memory resources. The...

org.webjars.npm:nestjs__platform-express (>=8.4.7 <=9.0.0-next.2) potentially affected by CVE-2026-5079 via org.webjars.npm:multer (=1.4.4-lts.1)

org.webjars.npm:multer MAVEN version =1.4.4-lts.1 is affected by a known vulnerability. The following packages have a transitive dependency on org.webjars.npm:multer and may be impacted: - org.webjars.npm:nestjsplatform-express =8.4.7, =9.0.0-next.2 Source cves: CVE-2026-5079 Source advisory:...

CVE-2026-5079 multer vulnerable to Denial of Service via deeply nested field names

Impact: multer versions 1.0.0 through 2.1.1 and 3.0.0-alpha.1 are vulnerable to a Denial of Service via deeply nested field names in multipart form data. The append-field dependency parses bracket notation in field names with no limit on nesting depth, allowing an attacker to force allocation of...