Vulnerability Description
Multer is a node.js middleware for handling `multipart/form-data`. A vulnerability that is present starting in version 1.4.4-lts.1 and prior to version 2.0.1 allows an attacker to trigger a Denial of Service (DoS) by sending an upload file request with an empty string field name. This request causes an unhandled exception, leading to a crash of the process. Users should upgrade to `2.0.1` to receive a patch. No known workarounds are available.
Related Weaknesses (CWE)
References
- https://github.com/expressjs/multer/commit/35a3272b611945155e046dd5cef1108858763
- https://github.com/expressjs/multer/issues/1233
- https://github.com/expressjs/multer/pull/1256
- https://github.com/expressjs/multer/security/advisories/GHSA-g5hg-p3ph-g8qg
FAQ
What is CVE-2025-48997?
CVE-2025-48997 is a documented vulnerability. Multer is a node.js middleware for handling `multipart/form-data`. A vulnerability that is present starting in version 1.4.4-lts.1 and prior to version 2.0.1 allows an attacker to trigger a Denial of ...
How severe is CVE-2025-48997?
CVSS scoring is not yet available for CVE-2025-48997. Check NVD for updates.
Is there a patch for CVE-2025-48997?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.