How severe is CVE-2025-32996?

CVE-2025-32996 has a CVSS 3.x base score of 4.0, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2025-32996 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-32996?

CVE-2025-32996 affects Chimurai Http-proxy-middleware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-32996?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-32996 have an EU (EUVD) identifier?

Yes. CVE-2025-32996 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-11356.

When was CVE-2025-32996 published?

CVE-2025-32996 was published on 2025-04-15 and last updated on 2026-06-17.

CVE-2025-32996

CVE-2025-32996 is a medium-severity vulnerability in Chimurai Http-proxy-middleware with a CVSS 3.x base score of 4.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-670.

Key facts

Severity: Medium (CVSS 3.x base score 4.0)
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-11356
Weakness: CWE-670
Affected product: Chimurai Http-proxy-middleware
Published: 2025-04-15
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2025-32996?: CVE-2025-32996 has a CVSS 3.x base score of 4.0, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2025-32996 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-32996?: CVE-2025-32996 affects Chimurai Http-proxy-middleware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-32996?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-32996 have an EU (EUVD) identifier?: Yes. CVE-2025-32996 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-11356.
When was CVE-2025-32996 published?: CVE-2025-32996 was published on 2025-04-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:chimurai:http-proxy-middleware:*:*:*:*:*:*:*:*

More vulnerabilities in Chimurai Http-proxy-middleware

CVE-2026-55602 — High (CVSS 8.6): http-proxy-middleware is node.js http-proxy middleware. From 0.16.0 until 2.0.10, 3.0.6, and 4.1.0,…
CVE-2026-55603 — High (CVSS 7.5): http-proxy-middleware is node.js http-proxy middleware. From 3.0.4 until 3.0.7 and 4.1.1, fixRequestBody() is the…
CVE-2024-21536 — High (CVSS 7.5): 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…
CVE-2025-32997 — Medium (CVSS 4.0): In http-proxy-middleware before 2.0.9 and 3.x before 3.0.5, fixRequestBody proceeds even if bodyParser has failed.

All CVEs affecting Chimurai Http-proxy-middleware →

Other CWE-670 vulnerabilities

CVE-2025-43359 — Critical (CVSS 9.8): A logic issue was addressed with improved state management. This issue is fixed in iOS 18.7 and iPadOS 18.7, iOS 26 and…
CVE-2022-25745 — Critical (CVSS 9.8): Memory corruption in modem due to improper input validation while handling the incoming CoAP message
CVE-2020-1914 — Critical (CVSS 9.8): A logic vulnerability when handling the SaveGeneratorLong instruction in Facebook Hermes prior to commit…
CVE-2020-17466 — Critical (CVSS 9.8): Turcom TRCwifiZone through 2020-08-10 allows authentication bypass by visiting manage/control.php and ignoring 302…
CVE-2019-17192 — Critical (CVSS 9.8): The WebRTC component in the Signal Private Messenger application through 4.47.7 for Android processes videoconferencing…
CVE-2026-55276 — Critical (CVSS 9.1): Always-Incorrect Control Flow Implementation vulnerability in Apache Tomcat meant that special roles and empty…

Browse all CWE-670 vulnerabilities →