GHSA-64MM-VXMG-Q3VJ http-proxy-middleware `router` host+path substring matching allows Host-header-driven backend routing bypass

Summary http-proxy-middleware documents router proxy-table entries as host, path, or host+path selectors, but the host+path implementation uses unanchored substring matching on attacker-controlled request metadata. As a result, a crafted Host header that is only a superstring match for a configur...

@oslokommune/auth-bff (>=2.0.1 <=2.2.1), @sap/vite-plugin-leanix-custom-report (>=8.6.0 <=8.7.1) potentially affected by CVE-2026-55602 via http-proxy-middleware (=4.0.0)

http-proxy-middleware NPM version =4.0.0 is affected by a known vulnerability. The following packages have a transitive dependency on http-proxy-middleware and may be impacted: - @oslokommune/auth-bff =2.0.1, =8.6.0, =8.7.1 Source cves: CVE-2026-55602 Source advisory:...

Partial String Comparison

Overview Affected versions of this package are vulnerable to Partial String Comparison via the router component. An attacker can route requests to unintended backend servers by sending crafted HTTP requests with manipulated Host headers. Remediation Upgrade http-proxy-middleware to version 2.0.10...

@oslokommune/auth-bff (>=2.0.1 <=2.2.1), @sap/vite-plugin-leanix-custom-report (>=8.6.0 <=8.7.1) potentially affected by CVE-2026-55602 via http-proxy-middleware (=4.0.0)

http-proxy-middleware NPM version =4.0.0 is affected by a known vulnerability. The following packages have a transitive dependency on http-proxy-middleware and may be impacted: - @oslokommune/auth-bff =2.0.1, =8.6.0, =8.7.1 Source cves: CVE-2026-55602 Source advisory: OSV:GHSA-64MM-VXMG-Q3VJ...

-tompan-reacttemplate (>=1.0.1 <=1.1.0), 0726react (=0.1.1) +30759 more potentially affected by CVE-2026-55602 via http-proxy-middleware (>=0.16.0 <=2.0.1)

http-proxy-middleware NPM version =0.16.0, =1.0.1, =1.1.0 - 0726react =0.1.1 - 0x0.icu.anima =0.1.0 - 0xgank-tea-advice-pull =1.0.0 - 0xgank-tea-balance-pencil =1.0.0 - 0xgank-tea-brick-bell =1.0.0 - 0xgank-tea-cake-victory =1.0.0 - 0xgank-tea-central-compound =1.0.0 - 0xgank-tea-characteristic...

NPM: http-proxy-middleware `router` host+path substring matching allows Host-header-driven backend routing bypass

NPM: http-proxy-middleware router host+path substring matching allows Host-header-driven backend routing bypass vulnerability discovered by ? in WordPress Npm http-proxy-middleware versions = 0.16.0, 2.0.10...

@adyen/adyen-salesforce-pwa (>=2.0.0 <=3.0.4), @amazeelabs/publisher (>=2.4.28 <=3.2.6) +76 more potentially affected by CVE-2026-55602 via http-proxy-middleware (>=3.0.0 <=3.0.5)

http-proxy-middleware NPM version =3.0.0, =2.0.0, =2.4.28, =1.0.0, =0.9.1-next.19, =0.9.1-next.19, =0.9.1-next.19, =0.0.4, =3.0.0-alpha-1, =24.3.0-depup.0, =2.1.0-next.0, =2.1.0-next.0, =9.0.0, =9.0.0, =9.6.1 and more Source cves: CVE-2026-55602 Source advisory: SNYK:JS-HTTPPROXYMIDDLEWARE-173750...

CVE-2026-55603

creationtimestamp| type| source ---|---|--- 2026-06-17 17:17:39+00:00| published-proof-of-concept| https://github.com/chimurai/http-proxy-middleware/security/advisories/GHSA-gcq2-9pq2-cxqm 2026-06-23 09:03:07+00:00| seen| https://bsky.app/profile/hugovalters.bsky.social/post/3mox25jonrk2t...

CVE-2026-55602

creationtimestamp| type| source ---|---|--- 2026-06-17 17:17:28+00:00| published-proof-of-concept| https://github.com/chimurai/http-proxy-middleware/security/advisories/GHSA-64mm-vxmg-q3vj...

Security Bulletin: IBM Edge Data Collector uses http-proxy-middleware - 2.0.7 which is vulnerable to CVE-2025-32996, CVE-2025-32997.

Summary IBM Edge Data Collector uses http-proxy-middleware - 2.0.7 which is vulnerable to CVE-2025-32996, CVE-2025-32997. This bulletin contains information addressing the vulnerability. Vulnerability Details CVEID:CVE-2025-32996 DESCRIPTION: In http-proxy-middleware before 2.0.8 and 3.x before...

EUVD-2024-3014

Malicious code in bioql PyPI...

EUVD-2025-11355

Malicious code in bioql PyPI...

EUVD-2025-11356

Malicious code in bioql PyPI...

Security Bulletin: Vulnerability in http-proxy-middleware affects IBM watsonx Assistant Cartridge and IBM watsonx Orchestrate with watsonx Assistant Cartridge.

Summary Potential vulnerabilities in http-proxy-middleware has been identified that affects IBM watsonx Assistant Cartridge and IBM watsonx Orchestrate with watsonx Assistant Cartridge - Assistant Builder Component. . The vulnerability have been addressed. Refer to details for additional...

Linux Distros Unpatched Vulnerability : CVE-2025-32997

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In http-proxy-middleware before 2.0.9 and 3.x before 3.0.5, fixRequestBody proceeds even if bodyParser has failed. CVE-2025-32997 Note that Nessus relies on the...

Security Bulletin: IBM Maximo Application Suite - Manage Component uses dompurify- http-proxy-middleware-2.0.6.tgz which is vulnerable to CVE-2024-21536.

Summary Security Bulletin: IBM Maximo Application Suite - Manage Component uses dompurify- http-proxy-middleware-2.0.6.tgz which is vulnerable to CVE-2024-21536. This bulletin contains information regarding the vulnerability and its fixture. Vulnerability Details CVEID:CVE-2024-21536 DESCRIPTION:...

Security Bulletin: IBM App Connect Enterprise Certified Container operands are vulnerable to denial of service, SSRF and credential leakage [CVE-2025-27152, CVE-2025-27789, CVE-2025-32996, CVE-2025-32997]

Summary Node.js modules axios and http-proxy-middleware are used by IBM App Connect Enterprise Certified Container for HTTP communications. Node.js module Babel is used for internal code generation. IBM App Connect Enterprise Certified Container operands are vulnerable to denial of service, SSRF...

Denial Of Service (DoS)

http-proxy-middleware is vulnerable to Denial Of Service DoS. The vulnerability is due to improper conditional logic due to the absence of "else if", which allows an attacker to trigger writeBody twice and potentially disrupt normal application behavior...

Improper Request Handling

http-proxy-middleware is vulnerable to Improper Request Handling. The vulnerability is due to improper request handling caused by fixRequestBody executing even when bodyParser has failed, which allows attackers to smuggle malicious HTTP requests...

Important: Red Hat Security Advisory: ACS 4.5 enhancement and security update

Updated images are now available for Red Hat Advanced Cluster Security RHACS. This release of RHACS includes the following bug fix: Fixed a bug to match the aggregation field of the compliance tables to the widgets for consistency. This release also addresses the following security vulnerabilitie...