{"action":"Upgrade multer to 2.3.0 or later.","affected":[{"fixed":"2.3.0","introduced":"0"}],"component":"multer","cve_ids":["CVE-2026-77063"],"ecosystem":"npm","epss":0.00233,"exploited":false,"fixed_versions":["2.3.0"],"ghsa_id":"GHSA-qvfw-j98x-7q72","id":"tcs_01M5KG756HF3A415WJKGADY1BW","modified_at":"2026-09-08T21:45:04.622654725Z","published_at":"2026-09-08T21:29:42Z","references":["https://osv.dev/vulnerability/GHSA-qvfw-j98x-7q72","https://github.com/expressjs/multer/security/advisories/GHSA-qvfw-j98x-7q72","https://nvd.nist.gov/vuln/detail/CVE-2026-77063","https://github.com/expressjs/multer/commit/ab6aeae650328cf31799dcfa4c3e116ba8faaacc","https://cna.openjsf.org/security-advisories.html","https://github.com/expressjs/multer","https://github.com/expressjs/multer/releases/tag/v2.3.0"],"severity":{"label":"low","score":3.7},"sources":[{"source":"osv","source_id":"GHSA-qvfw-j98x-7q72","url":"https://osv.dev/vulnerability/GHSA-qvfw-j98x-7q72"}],"summary":"multer vulnerable to file size limit bypass via async fileFilter race condition"}