This page collects WhisperX intelligence signals tagged #Express. It is designed for humans, search engines, and AI agents: each item links to a canonical source-backed record with sector, source, timestamp, credibility, and exportable structured data.
A high-severity Regular Expression Denial of Service (ReDoS) vulnerability, tracked as CVE-2026-4867 (CVSS 7.5), has been resolved in the `path-to-regexp` library. The flaw was discovered within the dependency chain of `@itwin/express-server`, which pulls in the vulnerable version via the `express` package. This type o...
A high-severity vulnerability in the widely used `qs` querystring parsing library can allow attackers to cause a denial-of-service by hanging Node.js processes. The flaw, tracked as CVE-2022-24999, is present in versions before 6.10.3 and is critically relevant for applications using the Express framework before versio...
A critical vulnerability in the widely used `qs` parsing library can cause a complete denial-of-service in Node.js applications, particularly those built with the Express framework. The flaw, tracked as CVE-2022-24999, allows an unauthenticated remote attacker to send a specially crafted query string containing an `__p...
A high-severity Regular Expression Denial of Service (ReDoS) vulnerability, tracked as CVE-2016-10539, has been identified in the widely-used Node.js HTTP content negotiation library `negotiator`. The flaw resides in versions 0.6.0 and earlier, where the parsing of the "Accept-Language" HTTP header can be exploited. An...
A high-severity Regular Expression Denial of Service (ReDoS) vulnerability, tracked as CVE-2016-10539, has been identified in the widely-used Node.js HTTP content negotiation library `negotiator`. The flaw, present in versions 0.6.0 and earlier, allows an attacker to crash or severely degrade server performance by send...
A high-severity Regular Expression Denial of Service (ReDoS) vulnerability in the `path-to-regexp` library, version 0.1.12, poses a direct threat to publicly accessible Cloud Functions. The flaw, cataloged as GHSA-37ch-88jc-xwx2 with a CVSS score of 7.5, allows an unauthenticated attacker to send a specially crafted HT...
A security vulnerability has been identified in express-xss-sanitizer, a widely-used Node.js middleware for sanitizing cross-site scripting (XSS) inputs in Express applications. The flaw, tracked as CVE-2026-33979 and documented under GitHub Security Advisory GHSA-3843-rr4g-m8jq, involves a bypass in the allowedTags an...
A critical path traversal vulnerability in Express.js, tracked as CVE-2024-CRITICAL-001, has been identified and patched in version 4.19.2. The flaw carries a CVSS score of 9.8—the highest severity rating—allowing unauthenticated attackers operating over the network to read arbitrary files and potentially execute arbit...
A high-severity vulnerability, tracked as CVE-2024-45296, has been identified in path-to-regexp version 0.1.7, a widely deployed npm library that converts Express-style path strings into regular expressions. The flaw enables attackers to trigger specially crafted path patterns that produce inefficient regex output, lea...
A comprehensive security audit has surfaced 99 dependency vulnerabilities spanning both the backend and frontend of the project. The findings include two critical-severity flaws—one in the basic-ftp package used by the backend and another in handlebars affecting the frontend via prototype pollution. The severity distri...
A HIGH-severity authorization bypass vulnerability has been identified in @clerk/express and @clerk/clerk-expo, two core authentication packages from the Clerk SDK ecosystem. Cataloged as GHSA-w24r-5266-9c3c, the flaw enables attackers to circumvent access controls under specific conditions involving organization, bill...
A newly merged pull request introduces server-side validation middleware to counter a ReDoS (Regular Expression Denial of Service) vulnerability in `path-to-regexp` versions prior to 0.1.13, which the Express framework depends on transitively. The mitigation, titled `limitPathParams`, caps the number and length of path...
A medium-severity security vulnerability has been identified in the application's Express body parser middleware configuration. The issue, classified under CWE-770 (Allocation of Resources Without Limits or Throttling) and CWE-400 (Uncontrolled Resource Consumption), stems from the middleware relying on default size li...
Security scanning has uncovered seven critical vulnerabilities embedded within helmet version 2.3.0, a widely deployed middleware package designed to help secure Express and Connect applications through HTTP header configuration. The highest severity rating among the findings reaches 9.8 on the CVSS scale, placing the ...