Vulnerability in Chimurai Http-proxy-middleware

CVE-2025-32996

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.

EPSS: 0.004 (30.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.0 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:L.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-32996?
CVE-2025-32996 is a medium-severity vulnerability in Chimurai Http-proxy-middleware, classified under Always-Incorrect Control Flow Implementation. CVSS score: 4.0/10. Published 2025-04-15.
How severe is CVE-2025-32996?
Medium severity. CVSS v3 base score is 4.0 out of 10.
Is CVE-2025-32996 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.