Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
n/a http-proxy-middleware — Versions of the package http-proxy-middleware before 2.0.7, from 3.0.0 and before 3.0.3 are vulnerable to Denial of Service (DoS) due to …
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV
N L N N N N N H 7.7 .0103 61.2 —
AFFECTED
Product Versions Fixed
http-proxy-middleware unspecified —
org.webjars.npm:http-proxy-middleware unspecified —
TIMELINE
Dec 22 Reserved by snyk
Oct 19 Published (CNA: snyk)
Aug 1 EXPLOIT PUBLISHED — CVE-2024-21536 (http-proxy-middleware). Public exploit reference added.
Aug 1 RESCORED — CVE-2024-21536 (http-proxy-middleware). CVSS 8.7 → 7.7 (NVD).
Description
Versions of the package http-proxy-middleware before 2.0.7, from 3.0.0 and before 3.0.3 are vulnerable to Denial of Service (DoS) due to an UnhandledPromiseRejection error thrown by micromatch. An attacker could kill the Node.js process and crash the server by making requests to certain paths.
Lifecycle
Complete event history — 4 events, chronological
| Date | Event | Detail |
| December 22, 2023 | Reserved | Reserved by snyk |
| October 19, 2024 | Published | Published (CNA: snyk) |
| August 1, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2024-21536 (http-proxy-middleware). Public exploit reference added. |
| August 1, 2026 | RESCORED | RESCORED — CVE-2024-21536 (http-proxy-middleware). CVSS 8.7 → 7.7 (NVD). |
Affected
Affected products and packages — 2 rows
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| n/a | http-proxy-middleware | — | — | — |
| n/a | org.webjars.npm:http-proxy-middleware | — | — | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2024-21536 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.