Not analysed yet
We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.
Severity and exploitation
| Score | Rating | CVSS | Vector | Source |
|---|---|---|---|---|
| 8.7 | High | 4.0 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N | CNA (GitHub_M) |
- CISA KEV Not listed.
- EPSS 0.0048, the 41st percentile, on 7 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
Sources
- GitHub Advisory Database: GHSA-g5hg-p3ph-g8qg
- OSV: GHSA-g5hg-p3ph-g8qg
- github.com/expressjs/multer/security/advisories/GHSA-g5hg-p3ph-g8qg
- nvd.nist.gov/vuln/detail/CVE-2025-48997
- github.com/expressjs/multer/issues/1233
- github.com/expressjs/multer/pull/1256
- github.com/expressjs/multer/commit/35a3272b611945155e046dd5cef11088587635e9
- github.com/expressjs/multer