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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.005 (37.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 37.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.005 · change: +0.000
Affected products
- Chimurai Http-Proxy-Middleware — versions 0, 3.0.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/chimurai/http-proxy-middleware/commit/020976044d113fc0bcbbaf995e91d0… (Patch)
- github.com/chimurai/http-proxy-middleware/pull/1089 (Issue Tracking)
- github.com/chimurai/http-proxy-middleware/releases/tag/v2.0.8 (Release Notes)
- github.com/chimurai/http-proxy-middleware/releases/tag/v3.0.4 (Release Notes)
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.