{"action":"Upgrade multer to 2.3.0 or later.","affected":[{"fixed":"2.3.0","introduced":"0"}],"component":"multer","cve_ids":["CVE-2026-77078"],"ecosystem":"npm","epss":0.00488,"exploited":false,"fixed_versions":["2.3.0"],"ghsa_id":"GHSA-wc9g-mqfw-jrwm","id":"tcs_01M5KGEQX9QSY9THZNT8AGB26R","modified_at":"2026-09-08T21:45:04.624532917Z","published_at":"2026-09-08T21:30:20Z","references":["https://osv.dev/vulnerability/GHSA-wc9g-mqfw-jrwm","https://github.com/expressjs/multer/security/advisories/GHSA-wc9g-mqfw-jrwm","https://nvd.nist.gov/vuln/detail/CVE-2026-77078","https://github.com/expressjs/multer/commit/87a584e8c8d4da873292635fa1d8c4d78d985b76","https://cna.openjsf.org/security-advisories.html","https://github.com/expressjs/multer","https://github.com/expressjs/multer/releases/tag/v2.3.0"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-wc9g-mqfw-jrwm","url":"https://osv.dev/vulnerability/GHSA-wc9g-mqfw-jrwm"}],"summary":"multer vulnerable to Denial of Service via crafted multipart field names"}