Nitro has an Open Redirect via Protocol-Relative URL Bypass in Wildcard Route Rules

A redirect route rule like: ts routeRules: "/legacy/": redirect: "/" is intended to rewrite paths within the same host. Before the patch, an attacker could turn the rewrite into a cross-host redirect by sliding an extra slash in after the rule prefix. Example exploit: GET /legacy//evil.com Nitro...

NPM: Nitro has an Open Redirect via Protocol-Relative URL Bypass in Wildcard Route Rules

NPM: Nitro has an Open Redirect via Protocol-Relative URL Bypass in Wildcard Route Rules vulnerability discovered by ? in WordPress Npm nitro versions 3.0.260429-beta...

GHSA-9PHM-9P8F-HW5M Nitro has an Open Redirect via Protocol-Relative URL Bypass in Wildcard Route Rules

A redirect route rule like: ts routeRules: "/legacy/": redirect: "/" is intended to rewrite paths within the same host. Before the patch, an attacker could turn the rewrite into a cross-host redirect by sliding an extra slash in after the rule prefix. Example exploit: GET /legacy//evil.com Nitro...

Open Redirect

Overview Affected versions of this package are vulnerable to Open Redirect through the LoginFormHandler in the login handler. An attacker can send a crafted /login request with a protocol-relative redirect target beginning with // to make the application redirect a victim to an external site afte...

Angular: SSRF via protocol-relative and backslash URLs in Angular Platform-Server

Impact A Server-Side Request Forgery SSRF vulnerability exists in @angular/platform-server due to improper handling of URLs during Server-Side Rendering SSR. When an attacker sends a request such as GET /\evil.com/ HTTP/1.1 the server engine Express, etc. passes the URL string to Angular’s...

GHSA-45Q2-GJVG-7973 Angular: SSRF via protocol-relative and backslash URLs in Angular Platform-Server

Impact A Server-Side Request Forgery SSRF vulnerability exists in @angular/platform-server due to improper handling of URLs during Server-Side Rendering SSR. When an attacker sends a request such as GET /\evil.com/ HTTP/1.1 the server engine Express, etc. passes the URL string to Angular’s...

EUVD-2026-21148

SiYuan Affected by Zero-Click NTLM Hash Theft and Blind SSRF via Mermaid Diagram Rendering...

CVE-2026-40107

SiYuan is a personal knowledge management system. Prior to 3.6.4, SiYuan configures Mermaid.js with securityLevel: "loose" and htmlLabels: true. In this mode, tags with src attributes survive Mermaid's internal DOMPurify and land in SVG blocks. The SVG is injected via innerHTML with no secondary...

EUVD-2026-13897

The Angular SSR is a server-rise rendering tool for Angular applications. Versions on the 22.x branch prior to 22.0.0-next.2, the 21.x branch prior to 21.2.3, and the 20.x branch prior to 20.3.21 have an Open Redirect vulnerability in @angular/ssr due to an incomplete fix for CVE-2026-27738. Whil...

CVE-2026-33397

The CVE concerns Angular SSR bottleneck/open-redirect in @angular/ssr. Affected series: 22.x before 22.0.0-next.2, 21.x before 21.2.3, and 20.x before 20.3.21, with a patch included in 22.0.0-next.2, 21.2.3, and 20.3.21. Root cause: incomplete fix for CVE-2026-27738 where a single backslash in X-...

CVE-2026-33397 Angular SSR Vulnerable to Protocol-Relative URL Injection via Single Backslash Bypass

The Angular SSR is a server-rise rendering tool for Angular applications. Versions on the 22.x branch prior to 22.0.0-next.2, the 21.x branch prior to 21.2.3, and the 20.x branch prior to 20.3.21 have an Open Redirect vulnerability in @angular/ssr due to an incomplete fix for CVE-2026-27738. Whil...

CVE-2026-33397 Angular SSR Vulnerable to Protocol-Relative URL Injection via Single Backslash Bypass

The Angular SSR is a server-rise rendering tool for Angular applications. Versions on the 22.x branch prior to 22.0.0-next.2, the 21.x branch prior to 21.2.3, and the 20.x branch prior to 20.3.21 have an Open Redirect vulnerability in @angular/ssr due to an incomplete fix for CVE-2026-27738. Whil...

Open Redirect

Overview h3 is a Minimal HTTP framework built for high performance and portability. Affected versions of this package are vulnerable to Open Redirect via the redirectBack function. An attacker can cause users to be redirected to an external, attacker-controlled domain by crafting a URL with a...

GHSA-FP4X-GGRF-WMC6 H3 has an Open Redirect via Protocol-Relative Path in redirectBack() Referer Validation

Summary The redirectBack utility in h3 validates that the Referer header shares the same origin as the request before using its pathname as the redirect Location. However, the pathname is not sanitized for protocol-relative paths starting with //. An attacker can craft a same-origin URL with a...

H3 has an Open Redirect via Protocol-Relative Path in redirectBack() Referer Validation

Summary The redirectBack utility in h3 validates that the Referer header shares the same origin as the request before using its pathname as the redirect Location. However, the pathname is not sanitized for protocol-relative paths starting with //. An attacker can craft a same-origin URL with a...

GHSA-VFX2-HV2G-XJ5F Protocol-Relative URL Injection via Single Backslash Bypass in Angular SSR

An Open Redirect vulnerability exists in @angular/ssr due to an incomplete fix for CVE-2026-27738. While the original fix successfully blocked multiple leading slashes e.g., ///, the internal validation logic fails to account for a single backslash \ bypass. When an Angular SSR application is...

CraftCMS vulnerable to reflective XSS via incomplete return URL sanitization

Summary The fix for CVE-2025-35939 in craftcms/cms introduced a striptags call in src/web/User.php to sanitize return URLs before they are stored in the session. However, striptags only removes HTML tags angle brackets -- it does not inspect or filter URL schemes. Payloads like...

Open Redirect

miniflux.app/v2 is vulnerable to Open Redirect. The vulnerability is due to improper validation of the redirecturl parameter where protocol-relative URLs bypass the url.Parse....IsAbs check, which allows an attacker to redirect users to attacker-controlled websites after login...

Angular SSR has an Open Redirect via X-Forwarded-Prefix

An Open Redirect vulnerability exists in the internal URL processing logic in Angular SSR. The logic normalizes URL segments by stripping leading slashes; however, it only removes a single leading slash. When an Angular SSR application is deployed behind a proxy that passes the X-Forwarded-Prefix...

VulnCheck KEV: CVE-2025-55303

Astro is a web framework for content-driven websites. In versions of astro before 5.13.2 and 4.16.18, the image optimization endpoint in projects deployed with on-demand rendering allows images from unauthorized third-party domains to be served. On-demand rendered sites built with Astro include a...