Update dependency multer to v2.1.1 [SECURITY]#17465
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This PR contains the following updates:
2.0.2→2.1.1Multer vulnerable to Denial of Service via resource exhaustion
CVE-2026-2359 / GHSA-v52c-386h-88mc
More information
Details
Impact
A vulnerability in Multer versions < 2.1.0 allows an attacker to trigger a Denial of Service (DoS) by dropping connection during file upload, potentially causing resource exhaustion.
Patches
Users should upgrade to
2.1.0Workarounds
None
Severity
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:NReferences
This data is provided by the GitHub Advisory Database (CC-BY 4.0).
Multer vulnerable to Denial of Service via incomplete cleanup
CVE-2026-3304 / GHSA-xf7r-hgr6-v32p
More information
Details
Impact
A vulnerability in Multer versions < 2.1.0 allows an attacker to trigger a Denial of Service (DoS) by sending malformed requests, potentially causing resource exhaustion.
Patches
Users should upgrade to
2.1.0Workarounds
None
Severity
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:NReferences
This data is provided by the GitHub Advisory Database (CC-BY 4.0).
Multer Vulnerable to Denial of Service via Uncontrolled Recursion
CVE-2026-3520 / GHSA-5528-5vmv-3xc2
More information
Details
Impact
A vulnerability in Multer versions < 2.1.1 allows an attacker to trigger a Denial of Service (DoS) by sending malformed requests, potentially causing stack overflow.
Patches
Users should upgrade to
2.1.1Workarounds
None
Resources
Severity
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:NReferences
This data is provided by the GitHub Advisory Database (CC-BY 4.0).
Release Notes
expressjs/multer (multer)
v2.1.1Compare Source
v2.1.0Compare Source
defParamCharsetoption for UTF-8 filename support (#1210)Configuration
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