Silent HTTPS proxy downgrade to cleartext

Impact The built-in cURL handlers GuzzleHttp\Handler\CurlHandler and GuzzleHttp\Handler\CurlMultiHandler, used by default whenever the PHP cURL extension is available accept an https:// proxy — a proxy reached over a TLS-encrypted connection — through the proxy request option, client-level proxy...

Origin Validation Error

Overview Affected versions of this package are vulnerable to Origin Validation Error in the JWT validation process. An attacker can gain unauthorized access by presenting a validly signed token from a trusted issuer, originally intended for a different service, to the authentication system. This ...

NPM: http-proxy-middleware: multipart/form-data field injection via unescaped CRLF in `fixRequestBody`

NPM: http-proxy-middleware: multipart/form-data field injection via unescaped CRLF in fixRequestBody vulnerability discovered by ? in WordPress Npm http-proxy-middleware versions = 3.0.4, 3.0.7...

CRLF Injection

Overview Affected versions of this package are vulnerable to CRLF Injection via the fixRequestBody function. An attacker can inject or override multipart form fields, potentially bypassing gateway-side validation or access controls, by supplying crafted input containing carriage return and line...

@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:...

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...

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...

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...

-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...

@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...

@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: OSV:GHSA-64MM-VXMG-Q3VJ...

@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...

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...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the processing of user-supplied URLs in outgoing HTTP components, including notification channels, OIDC backchannel logout, and SAML metadata fetches. An attacker can access internal network resources...

Mattermost Desktop 5.13.x < 5.13.6 / 6.x < 6.2.0 Multiple Vulnerabilities (MMSA-2026-00651 / MMSA-2026-00652)

The version of Mattermost Desktop installed on the remote host is affected by multiple vulnerabilities: - Mattermost Desktop App versions =6.1 5.5.13.0 fail to restrict the allow list of domains to which NTLM credentials were forwarded to in the Mattermost Desktop App which allows any user on a...

PT-2026-50734

Name of the Vulnerable Software and Affected Versions http-proxy-middleware versions 0.16.0 through 2.0.9 http-proxy-middleware versions 3.0.0 through 3.0.5 http-proxy-middleware versions 4.0.0 through 4.0.9 Description An issue exists in the router proxy-table implementation where host+path...

PT-2026-50735

Name of the Vulnerable Software and Affected Versions http-proxy-middleware versions 3.0.4 through 3.0.6 http-proxy-middleware versions prior to 4.1.1 Description An issue exists in the fixRequestBody helper function when the outgoing Content-Type is set to multipart/form-data. The function uses...

PT-2026-50724

Name of the Vulnerable Software and Affected Versions Kirby versions prior to 4.9.4 Kirby versions prior to 5.4.4 Description An external initialization issue exists in the Kirby Panel and REST API. This occurs when a site has no configured user accounts and is hosted on a publicly accessible...

Siemens RUGGEDCOM RST2428P Authentication Bypass by Primary Weakness (CVE-2026-3784)

curl would wrongly reuse an existing HTTP proxy connection doing CONNECT to a server, even if the new request uses different credentials for the HTTP proxy. The proper behavior is to create or use a separate connection. This plugin only works with Tenable.ot. Please visit...