MAL-2026-2838 Malicious code in koa-v3 (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 5868e3008cddae6f0d4f1594e5f22c25d905ca6e32b915c4b527ad2ed77cce7f The package koa-v3 was found to contain malicious code. Source: ghsa-malware 16ed2d5a3189595a73eb117e70d2a31ba6ed920704a2917c7f83aacb8b5f42d1 Any...

Security Bulletin: IBM App Connect Enterprise Certified Container DesignerAuthoring operands are vulnerable to loss of confidentiality (CVE-2026-27959)

Summary Node.js module Koa is used by IBM App Connect Enterprise Certified Container. IBM App Connect Enterprise Certified Container DesignerAuthoring operands are vulnerable to loss of confidentiality. This bulletin provides patch information to address the reported vulnerability in Node.js modu...

Koa has Host Header Injection via ctx.hostname

Summary Koa's ctx.hostname API performs naive parsing of the HTTP Host header, extracting everything before the first colon without validating the input conforms to RFC 3986 hostname syntax. When a malformed Host header containing a @ symbol e.g., evil.com:[email protected] is received,...

GHSA-7GCC-R8M5-44QM Koa has Host Header Injection via ctx.hostname

Summary Koa's ctx.hostname API performs naive parsing of the HTTP Host header, extracting everything before the first colon without validating the input conforms to RFC 3986 hostname syntax. When a malformed Host header containing a @ symbol e.g., evil.com:[email protected] is received,...

EUVD-2026-8816

Koa has Host Header Injection via ctx.hostname...

CVE-2026-27959

A flaw was found in Koa’s ctx.hostname API used in Node.js applications. The function incorrectly parses specially crafted HTTP Host headers containing an @ character, which can cause the extracted hostname value to differ from the intended origin. An attacker can exploit this behavior by sending...

HTTP Header Injection

Overview koa is a Koa web app framework Affected versions of this package are vulnerable to HTTP Header Injection via the hostname function in the. request.js file. An attacker can manipulate the value hostname by sending a specially crafted HTTP Host header containing an @ symbol, which can lead...

HTTP Header Injection

Overview org.webjars.npm:koa is a Koa web app framework Affected versions of this package are vulnerable to HTTP Header Injection via the hostname function in the. request.js file. An attacker can manipulate the value hostname by sending a specially crafted HTTP Host header containing an @ symbol...

CVE-2026-27959

Koa is middleware for Node.js using ES2017 async functions. Prior to versions 3.1.2 and 2.16.4, Koa's ctx.hostname API performs naive parsing of the HTTP Host header, extracting everything before the first colon without validating the input conforms to RFC 3986 hostname syntax. When a malformed...

CVE-2026-27959 Koa has Host Header Injection via `ctx.hostname`

Koa is middleware for Node.js using ES2017 async functions. Prior to versions 3.1.2 and 2.16.4, Koa's ctx.hostname API performs naive parsing of the HTTP Host header, extracting everything before the first colon without validating the input conforms to RFC 3986 hostname syntax. When a malformed...

CVE-2026-27959 Koa has Host Header Injection via `ctx.hostname`

Koa is middleware for Node.js using ES2017 async functions. Prior to versions 3.1.2 and 2.16.4, Koa's ctx.hostname API performs naive parsing of the HTTP Host header, extracting everything before the first colon without validating the input conforms to RFC 3986 hostname syntax. When a malformed...

CVE-2026-27959

Koa is middleware for Node.js using ES2017 async functions. Prior to versions 3.1.2 and 2.16.4, Koa's ctx.hostname API performs naive parsing of the HTTP Host header, extracting everything before the first colon without validating the input conforms to RFC 3986 hostname syntax. When a malformed...

CVE-2026-27959 Koa has Host Header Injection via `ctx.hostname`

Koa is middleware for Node.js using ES2017 async functions. Prior to versions 3.1.2 and 2.16.4, Koa's ctx.hostname API performs naive parsing of the HTTP Host header, extracting everything before the first colon without validating the input conforms to RFC 3986 hostname syntax. When a malformed...

CVE-2026-27959

Koa (Node.js) prior to versions 3.1.2 and 2.16.4 exposes a vulnerability in ctx.hostname: it naively parses the Host header and returns an attacker-controlled value when the header contains an invalid RFC 3986 hostname (e.g., with a @). This can affect URL generation, password reset links, email ...

koa 输入验证错误漏洞

Koa.js is an open-source project developed by Koa.js, which uses Node.js as an expressive middleware. Versions of Koa prior to 3.1.2 and 2.16.4 contained a vulnerability related to input validation errors. This vulnerability stemmed from improper parsing of the HTTP Host header, which could lead ...

PT-2026-22104

Name of the Vulnerable Software and Affected Versions Koa versions prior to 3.1.2 Koa versions prior to 2.16.4 Description Koa middleware for Node.js, using ES2017 async functions, has an issue where the ctx.hostname API improperly parses the HTTP Host header. The parsing does not validate input...

Regular Expression Denial of Service (ReDoS)

Overview @apollo/server is a spec-compliant GraphQL server that's compatible with any GraphQL client, including Apollo Client. Successor to apollo-server-core, et al. Affected versions of this package are vulnerable to Regular Expression Denial of Service ReDoS via the startStandaloneServer...

Regular Expression Denial of Service (ReDoS)

Overview apollo-server is a Production ready GraphQL Server Affected versions of this package are vulnerable to Regular Expression Denial of Service ReDoS via the startStandaloneServer function. An attacker can cause the server to become unresponsive by sending specially crafted request bodies wi...

CVE-2026-1124 Yonyou KSOA HTTP GET Parameter work_report.jsp sql injection

A security flaw has been discovered in Yonyou KSOA 9.0. Affected by this vulnerability is an unknown functionality of the file /worksheet/workreport.jsp of the component HTTP GET Parameter Handler. Performing a manipulation of the argument ID results in sql injection. Remote exploitation of the...

Open Redirect

Koa is vulnerable to Open Redirect. The vulnerability is due to improper validation of the Referer header in the back redirect functionality, which allows an attacker to craft specially formed URLs treated as safe relative paths and force a user’s browser to redirect to an external, potentially...