Issues

• v3: enforce a default for fieldArrayIndexLimit

  discuss
  expressjs/multer#1461 · Filter by author UlisesGascon opened on Aug 28, 2026
  1

  

• Security: add virus scanning example to README

  expressjs/multer#1403 · Filter by author SonoTommy opened on May 14, 2026

• Multer writes file with zero size if originalname changes in the storage.filename prop.

  question
  expressjs/multer#1365 · Filter by author skyshy0707 opened on Jan 15, 2026
  2

• bodySize limit option

  expressjs/multer#1363 · Filter by author SMJSProductions opened on Dec 31, 2025

• Releases Backlog (2.1.0 and 3.0.0)

  expressjs/multer#1310 · Filter by author bjohansebas opened on May 15, 2025
  2

  

• FileInterceptor ：FileInterceptor 的文件大小检查不生效，文件会被压缩，并且 fileFilter 中的文件没有文件大小 key

  question
  expressjs/multer#1292 · Filter by author inlxcode opened on Jan 2, 2025

• Is this Stream Storage Engine implementation correct?

  question
  expressjs/multer#1291 · Filter by author darcyrush opened on Dec 20, 2024
  12

• v2 fastify/busboy hangs

  bug
  expressjs/multer#1280 · Filter by author mysuf opened on Nov 3, 2024

• Multer removes uploaded files when an exception occurs

  bug
  expressjs/multer#1279 · Filter by author simo385 opened on Oct 22, 2024
  1

• Potential Issue with destination Parameter Type in Multer Custom Storage

  bugrequires-triage
  expressjs/multer#1278 · Filter by author anoniz opened on Oct 12, 2024

• Folder cannot be deleted

  bug
  expressjs/multer#1271 · Filter by author ProjectRbt opened on Aug 22, 2024
  1

• Error: Route.post() requires a callback function but got a [object Object]

  help wantedquestion
  expressjs/multer#1262 · Filter by author Humayun19879 opened on Jul 14, 2024

• last filename is missing from req.files while use of 'fileds' middleware.

  question
  expressjs/multer#1261 · Filter by author greyHairChooseLife opened on Jun 17, 2024

• File type shows correct on the frontend but it changes to application/octet-stream on the backend

  help wantedquestion
  expressjs/multer#1250 · Filter by author nirajchaurasiya opened on Apr 6, 2024
  1

• File upload middleware does not work when I chain it with other middlewares. I get req.file = undefined

  questionrequires-triage
  expressjs/multer#1248 · Filter by author imhazard17 opened on Mar 23, 2024
  6

• preservePath option not respected

  bug
  expressjs/multer#1244 · Filter by author cwkang1998 opened on Feb 23, 2024
  4

• Why does Multer does not release memory?

  discuss
  expressjs/multer#1242 · Filter by author KarimNashaat opened on Feb 9, 2024
  2

• MulterError: Unexpected field when trying to use different storage configuration

  expressjs/multer#1239 · Filter by author ShaneCoelho opened on Jan 24, 2024
  1

• req.file returning Undefined on frontend, but with Insomnia returns correctly

  expressjs/multer#1237 · Filter by author GrazielaSousa opened on Oct 28, 2023
  4

• File upload got stuck while uploading large text files

  expressjs/multer#1235 · Filter by author SamantaChinmoy opened on Oct 8, 2023
  8

• ERROR UPLOADING FILE using the javascript and I also use multer in handling the fileupload

  expressjs/multer#1224 · Filter by author barbiedo opened on Aug 29, 2023
  5

• how can I upload image or json file ?

  expressjs/multer#1221 · Filter by author SheikhElMoctarG opened on Jul 20, 2023
  1

• File delete issue

  expressjs/multer#1217 · Filter by author itsfuad opened on Jun 15, 2023
  2

• I am also having the same error here, the error is saying "Cannot read properties of undefined (reading 'path')

  expressjs/multer#1215 · Filter by author smolkawaii1 opened on Jun 12, 2023
  1

• Second request hangs after upload fail into filter function

  expressjs/multer#1205 · Filter by author danilomourelle opened on Apr 26, 2023
  3