https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Fri, 02 Oct 2026 16:12:59 +0000 https://vulnerability.circl.lu/vuln/cve-2026-27959 <p><strong>Affected:</strong> koajs koa, Red Hat OpenShift AI 2.25, Red Hat OpenShift Container Platform 4.19, Red Hat Developer Hub, Red Hat OpenShift AI (RHOAI), Red Hat OpenShift Dev Spaces, Red Hat Self-service automation portal 2</p> <p>Koa is middleware for Node.js using ES2017 async functions. Prior to versions 3.1.2 and 2.16.4, Koa&#39;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 is received, `ctx.hostname` returns `evil[.]com` - an attacker-controlled value. Applications using `ctx.hostname` for URL generation, password reset links, email verification URLs, or routing decisions are vulnerable to Host header injection attacks. Versions 3.1.2 and 2.16.4 fix the issue.</p> <p><strong>Affected:</strong> koajs koa, Red Hat OpenShift AI 2.25, Red Hat OpenShift Container Platform 4.19, Red Hat Developer Hub, Red Hat OpenShift AI (RHOAI), Red Hat OpenShift Dev Spaces, Red Hat Self-service automation portal 2</p> <p>Koa is middleware for Node.js using ES2017 async functions. Prior to versions 3.1.2 and 2.16.4, Koa&#39;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 is received, `ctx.hostname` returns `evil[.]com` - an attacker-controlled value. Applications using `ctx.hostname` for URL generation, password reset links, email verification URLs, or routing decisions are vulnerable to Host header injection attacks. Versions 3.1.2 and 2.16.4 fix the issue.</p> https://vulnerability.circl.lu/vuln/cve-2026-27959