multer vulnerable to Denial of Service via orphaned disk writes on aborted uploads

Impact Multer's diskStorage can leave complete, orphaned files on disk when a multipart upload is aborted in the brief window before the storage engine assigns the file path. This is an incomplete fix of CVE-2026-5038: the earlier cleanup removes only in-flight uploads that already have a path, s...

multer vulnerable to Denial of Service via file descriptor leak on aborted uploads

Impact A vulnerability in multer 2.2.0 allows an attacker to trigger a Denial of Service DoS by aborting or truncating multipart uploads. When using diskStorage, the destination write stream is not closed if the upload is aborted before it finishes, so each failed request leaks an open file...

GHSA-QFVM-CV95-JQJF multer vulnerable to Denial of Service via file descriptor leak on aborted uploads

Impact A vulnerability in multer 2.2.0 allows an attacker to trigger a Denial of Service DoS by aborting or truncating multipart uploads. When using diskStorage, the destination write stream is not closed if the upload is aborted before it finishes, so each failed request leaks an open file...

Linux Distros Unpatched Vulnerability : CVE-2026-5038

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Impact: multer versions 2.0.0-alpha.1 through 2.1.1 and 3.0.0-alpha.1 are vulnerable to a Denial of Service when using diskStorage. Aborted or malformed multipa...

Denial of Service (DoS)

Overview Affected versions of this package are vulnerable to Denial of Service DoS via the diskStorage engine's handleFile function, which fails to close or destroy the destination write stream when an upload is aborted before it completes. Each aborted request leaks an open file descriptor and...

Denial of Service (DoS)

Overview Affected versions of this package are vulnerable to Denial of Service DoS via the diskStorage engine's handleFile function, which fails to close or destroy the destination write stream when an upload is aborted before it completes. Each aborted request leaks an open file descriptor and...

Incomplete Cleanup

Overview Affected versions of this package are vulnerable to Incomplete Cleanup in the diskStorage function. An attacker can exhaust disk space by repeatedly initiating and aborting multipart uploads, causing orphaned partial files to accumulate on disk. Remediation Upgrade multer to version 2.2....

CVE-2026-5038: Incomplete Cleanup

Impact: multer versions 2.0.0-alpha.1 through 2.1.1 and 3.0.0-alpha.1 are vulnerable to a Denial of Service when using diskStorage. Aborted or malformed multipart uploads leave orphaned partial files on disk because the Readable.pipe call does not propagate the stream destroy signal to the...