What’s Vulnerable › Vulnerabilities

CVE-2025-32996

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-04-15 · updated 2026-06-17
• Weakness: CWE-670

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 products

• chimurai http-proxy-middleware: before 2.0.8; from 3.0.0 before 3.0.4 — fixed in 2.0.8, 3.0.4

How to fix

Upgrade to a fixed version: chimurai http-proxy-middleware 2.0.8, 3.0.4. Check the vendor advisory for mitigations.

References

• https://github.com/chimurai/http-proxy-middleware/commit/020976044d113fc0bcbbaf995e91d05e2829a145
• https://github.com/chimurai/http-proxy-middleware/pull/1089
• https://github.com/chimurai/http-proxy-middleware/releases/tag/v2.0.8
• https://github.com/chimurai/http-proxy-middleware/releases/tag/v3.0.4

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