{"id":80590,"date":"2026-06-15T19:46:34","date_gmt":"2026-06-15T16:16:34","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-5038-multer-vulnerable-to-denial-of-service-via-incomplete-cleanup-of-aborted-uploads\/"},"modified":"2026-06-15T19:46:34","modified_gmt":"2026-06-15T16:16:34","slug":"cve-2026-5038-multer-vulnerable-to-denial-of-service-via-incomplete-cleanup-of-aborted-uploads","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-5038-multer-vulnerable-to-denial-of-service-via-incomplete-cleanup-of-aborted-uploads\/","title":{"rendered":"CVE-2026-5038 &#8211; multer vulnerable to Denial of Service via incomplete cleanup of aborted uploads"},"content":{"rendered":"<p>CVE ID :CVE-2026-5038<\/p>\n<p>  Published : June 15, 2026, 4:16 p.m. | 1\u00a0hour, 25\u00a0minutes ago<\/p>\n<p>  Description :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<br \/>\nthe underlying fs.WriteStream. An attacker can exhaust disk space by triggering many aborted uploads, with no application bug required.<\/p>\n<p>Patches: Users should upgrade to multer 2.2.0 (2.x line) or 3.0.0-alpha.2 (3.x prerelease). Both versions track in-flight write streams and clean them up on the abort path.<\/p>\n<p>Workarounds: None.<\/p>\n<p>  Severity: 5.3 | MEDIUM<\/p>\n<p>  Visit the link for more details, such as CVSS details, affected products, timeline, and more&#8230;\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CVE ID :CVE-2026-5038 Published : June 15, 2026, 4:16 p.m. | 1\u00a0hour, 25\u00a0minutes ago Description :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 &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-80590","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/80590","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/comments?post=80590"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/80590\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=80590"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=80590"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=80590"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}