multer vulnerable to file size limit bypass via async fileFilter race condition

Impact When multer is configured with an asynchronous fileFilter, the limits.fileSize limit can be bypassed. The 'limit' event is registered inside the async fileFilter callback, so if a file exceeds limits.fileSize before that callback runs, the event is missed and the oversized upload is accept...

CVE-2026-77063

multer , a Node.js middleware for handling multipart/form-data, contains a race condition in its file stream handling that is triggered when an application uses an asynchronous fileFilter together with the fileSize limit . An attacker can exploit this to cause a file that exceeds the configured s...

CVE-2026-77063 multer vulnerable to file size limit bypass via async fileFilter race condition

multer is a middleware for handling multipart/form-data in Node.js. When an application uses an asynchronous fileFilter together with the fileSize limit, a race condition in multer's file stream handling can allow a file that exceeds the configured size limit to bypass the size-limit rejection. A...

PT-2026-83357

Name of the Vulnerable Software and Affected Versions multer versions prior to 2.3.0 Description A race condition exists in the file stream handling when an application utilizes an asynchronous fileFilter in conjunction with the fileSize limit. This allows files that exceed the configured size...

CVE-2026-14298 Denial of service via resource exhaustion in Mattermost

Mattermost versions 11.9.x = 11.9.0, 11.8.x = 11.8.4, 11.7.x = 11.7.7, 10.11.x = 10.11.22 fail to properly limit resource consumption when processing certain user-supplied input, which allows an authenticated user to cause a denial of service. Mattermost Advisory ID: MMSA-2026-00713...

CVE-2026-14298

CVE-2026-14298 affects Mattermost releases: 11.9.x ≤ 11.9.0, 11.8.x ≤ 11.8.4, 11.7.x ≤ 11.7.7, and 10.11.x ≤ 10.11.22. An authenticated user can trigger denial of service by causing resource exhaustion while processing certain user-supplied input. The CVE has a base score of 6.5 (MEDIUM) under CV...

GO-2026-5582 Vikunja has File Size Limit Bypass via Vikunja Import in code.vikunja.io/api

Vikunja has File Size Limit Bypass via Vikunja Import in code.vikunja.io/api. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing false-positive reports from vulnerability scanners, please...

PT-2026-42679

Name of the Vulnerable Software and Affected Versions NocoDB affected versions not specified Description An issue exists where the upload-by-URL path fails to enforce the NC ATTACHMENT FIELD SIZE limit against the remote file's advertised Content-Length or the decoded length of a data: URI. This...

Exploit for CVE-2026-38361

CVE-2026-38361: Multiple Unauthenticated DoS Vulnerabilities i...

CVE-2026-35602

Vikunja is an open-source self-hosted task management platform. Prior to 2.3.0, the Vikunja file import endpoint uses the attacker-controlled Size field from the JSON metadata inside the import zip instead of the actual decompressed file content length for the file size enforcement check. By...

CVE-2026-35602 Vikunja has a File Size Limit Bypass via Vikunja Import

Vikunja is an open-source self-hosted task management platform. Prior to 2.3.0, the Vikunja file import endpoint uses the attacker-controlled Size field from the JSON metadata inside the import zip instead of the actual decompressed file content length for the file size enforcement check. By...

CVE-2026-35602

Summary: CVE-2026-35602 affects Vikunja prior to v2.3.0, where the file import endpoint uses the attacker-controlled Size from the JSON metadata instead of the decompressed file length to enforce max file size, allowing an attacker to bypass the limit by setting Size to 0. This leads to potential...

EUVD-2000-0914

Malware in sbrugna...

WordPress plugin WP Optimize By xTraffic 代码问题漏洞

WordPress and WordPress plugin are both products of the WordPress Foundation, and WordPress plugin is an application plugin. A code issue vulnerability exists in WordPress WP Optimize By xTraffic that stems from the application not properly validating user-submitted code, which can be exploited b...

Ruby on Rails Code Issues Vulnerabilities

Ruby on Rails is a set of Rails team based on the Ruby language open source Web application framework. A security vulnerability exists in Ruby on Rails versions prior to 5.2.4.2 and 6.0.3.1. An attacker can exploit this vulnerability by modifying the 'Content-Length' field of the file upload URL ...