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...

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,...

Security update for python3

This update for python3 fixes the following issues: CVE-2025-11468: header injection when folding a long comment in an email header containing exclusively unfoldable characters bsc1257029. CVE-2026-0672: HTTP header injection via user-controlled cookie values and parameters when using...

SUSE-SU-2026:0664-1 Security update for python3

This update for python3 fixes the following issues: - CVE-2025-11468: header injection when folding a long comment in an email header containing exclusively unfoldable characters bsc1257029. - CVE-2026-0672: HTTP header injection via user-controlled cookie values and parameters when using...

Security update for python

This update for python fixes the following issues: CVE-2025-6075: Fixed performance degradation when using os.path.expandvars bsc1252974. CVE-2026-0672: Fixed a HTTP header injection via user-controlled cookie values and parameters when using http.cookies.Morsel. bsc1257031 CVE-2026-0865: Fixed a...

SUSE-SU-2026:0663-1 Security update for python

This update for python fixes the following issues: - CVE-2025-6075: Fixed performance degradation when using os.path.expandvars bsc1252974. - CVE-2026-0672: Fixed a HTTP header injection via user-controlled cookie values and parameters when using http.cookies.Morsel. bsc1257031 - CVE-2026-0865:...

SUSE-SU-2026:0642-1 Security update for python313

This update for python313 fixes the following issues: Update to Python 3.13.12 - CVE-2026-0672: Fixed a HTTP header injection via user-controlled cookie values and parameters when using http.cookies.Morsel. bsc1257031 - CVE-2026-0865: Fixed a bug where a user-controlled header containing newlines...

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 (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 ...

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: Improper Input Validation

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...

SUSE SLES12 Security Update : python36 (SUSE-SU-2026:0612-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0612-1 advisory. - CVE-2025-11468: header injection when folding a long comment in an email header containing exclusively unfoldable characters bsc1257029. -...

GHSA-X288-3778-4HHX Angular SSR is vulnerable to SSRF and Header Injection via request handling pipeline

A Server-Side Request Forgery SSRF vulnerability has been identified in the Angular SSR request handling pipeline. The vulnerability exists because Angular’s internal URL reconstruction logic directly trusts and consumes user-controlled HTTP headers specifically the Host and X-Forwarded- family t...

CVE-2026-27739 Angular SSR is vulnerable to SSRF and Header Injection via request handling pipeline

The Angular SSR is a server-rise rendering tool for Angular applications. Versions prior to 21.2.0-rc.1, 21.1.5, 20.3.17, and 19.2.21 have a Server-Side Request Forgery SSRF vulnerability in the Angular SSR request handling pipeline. The vulnerability exists because Angular’s internal URL...