Vulnerability · Published Apr 15, 2025 · Assigned by mitre
CVE-2025-32996
Medium 4.0
In plain English
A medium-severity security flaw in http-proxy-middleware from chimurai. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 40% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)4.0Medium
Exploit odds (30 days)0.5%top 59.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
In http-proxy-middleware before 2.0.8 and 3.x before 3.0.4, writeBody can be called twice because "else if" is not used.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | http-proxy-middleware | 2.0.8 | GHSA-4www-5p9h-95mh |
| npm | http-proxy-middleware | 3.0.4 | GHSA-4www-5p9h-95mh |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| chimurai | http-proxy-middleware | 0 – before 2.0.83.0.0 – before 3.0.4 |
Weakness: CWE-670 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:L