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Vulnerability details: VCID-ff18-akd9-ebhu
Vulnerability ID VCID-ff18-akd9-ebhu
Aliases CVE-2025-32996
GHSA-4www-5p9h-95mh
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-670 Always-Incorrect Control Flow Implementation
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
cvssv3 4.0 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-32996.json
epss 0.00058 https://api.first.org/data/v1/epss?cve=CVE-2025-32996
epss 0.00058 https://api.first.org/data/v1/epss?cve=CVE-2025-32996
epss 0.00058 https://api.first.org/data/v1/epss?cve=CVE-2025-32996
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-4www-5p9h-95mh
cvssv3.1 4.0 https://github.com/chimurai/http-proxy-middleware
generic_textual MODERATE https://github.com/chimurai/http-proxy-middleware
cvssv3.1 4 https://github.com/chimurai/http-proxy-middleware/commit/020976044d113fc0bcbbaf995e91d05e2829a145
cvssv3.1 4.0 https://github.com/chimurai/http-proxy-middleware/commit/020976044d113fc0bcbbaf995e91d05e2829a145
generic_textual MODERATE https://github.com/chimurai/http-proxy-middleware/commit/020976044d113fc0bcbbaf995e91d05e2829a145
ssvc Track https://github.com/chimurai/http-proxy-middleware/commit/020976044d113fc0bcbbaf995e91d05e2829a145
cvssv3.1 4 https://github.com/chimurai/http-proxy-middleware/pull/1089
cvssv3.1 4.0 https://github.com/chimurai/http-proxy-middleware/pull/1089
generic_textual MODERATE https://github.com/chimurai/http-proxy-middleware/pull/1089
ssvc Track https://github.com/chimurai/http-proxy-middleware/pull/1089
cvssv3.1 4 https://github.com/chimurai/http-proxy-middleware/releases/tag/v2.0.8
cvssv3.1 4.0 https://github.com/chimurai/http-proxy-middleware/releases/tag/v2.0.8
generic_textual MODERATE https://github.com/chimurai/http-proxy-middleware/releases/tag/v2.0.8
ssvc Track https://github.com/chimurai/http-proxy-middleware/releases/tag/v2.0.8
cvssv3.1 4 https://github.com/chimurai/http-proxy-middleware/releases/tag/v3.0.4
cvssv3.1 4.0 https://github.com/chimurai/http-proxy-middleware/releases/tag/v3.0.4
generic_textual MODERATE https://github.com/chimurai/http-proxy-middleware/releases/tag/v3.0.4
ssvc Track https://github.com/chimurai/http-proxy-middleware/releases/tag/v3.0.4
cvssv3.1 4.0 https://nvd.nist.gov/vuln/detail/CVE-2025-32996
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2025-32996
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-32996.json
https://api.first.org/data/v1/epss?cve=CVE-2025-32996
https://github.com/chimurai/http-proxy-middleware
https://nvd.nist.gov/vuln/detail/CVE-2025-32996
020976044d113fc0bcbbaf995e91d05e2829a145 https://github.com/chimurai/http-proxy-middleware/commit/020976044d113fc0bcbbaf995e91d05e2829a145
1089 https://github.com/chimurai/http-proxy-middleware/pull/1089
2359627 https://bugzilla.redhat.com/show_bug.cgi?id=2359627
GHSA-4www-5p9h-95mh https://github.com/advisories/GHSA-4www-5p9h-95mh
RHSA-2025:14090 https://access.redhat.com/errata/RHSA-2025:14090
RHSA-2025:9966 https://access.redhat.com/errata/RHSA-2025:9966
v2.0.8 https://github.com/chimurai/http-proxy-middleware/releases/tag/v2.0.8
v3.0.4 https://github.com/chimurai/http-proxy-middleware/releases/tag/v3.0.4
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:L Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-32996.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:L Found at https://github.com/chimurai/http-proxy-middleware
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:L Found at https://github.com/chimurai/http-proxy-middleware/commit/020976044d113fc0bcbbaf995e91d05e2829a145
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:L Found at https://github.com/chimurai/http-proxy-middleware/commit/020976044d113fc0bcbbaf995e91d05e2829a145
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-15T03:55:21Z/ Found at https://github.com/chimurai/http-proxy-middleware/commit/020976044d113fc0bcbbaf995e91d05e2829a145
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:L Found at https://github.com/chimurai/http-proxy-middleware/pull/1089
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:L Found at https://github.com/chimurai/http-proxy-middleware/pull/1089
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-15T03:55:21Z/ Found at https://github.com/chimurai/http-proxy-middleware/pull/1089
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:L Found at https://github.com/chimurai/http-proxy-middleware/releases/tag/v2.0.8
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:L Found at https://github.com/chimurai/http-proxy-middleware/releases/tag/v2.0.8
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-15T03:55:21Z/ Found at https://github.com/chimurai/http-proxy-middleware/releases/tag/v2.0.8
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:L Found at https://github.com/chimurai/http-proxy-middleware/releases/tag/v3.0.4
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:L Found at https://github.com/chimurai/http-proxy-middleware/releases/tag/v3.0.4
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-15T03:55:21Z/ Found at https://github.com/chimurai/http-proxy-middleware/releases/tag/v3.0.4
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:L Found at https://nvd.nist.gov/vuln/detail/CVE-2025-32996
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.18416
EPSS Score 0.00058
Published At June 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-11T17:11:37.520364+00:00 Vulnrichment Import https://github.com/cisagov/vulnrichment/blob/develop/2025/32xxx/CVE-2025-32996.json 38.6.0