undici: undici: Authentication bypass via cross-origin cache poisoning due to missing origin isolation

A flaw was found in undici. When the cache or deduplicate interceptor is directly composed onto a Client or Pool, the destination origin is omitted from cache and request-deduplication keys. This allows a remote attacker to perform cross-origin cache poisoning, leading to information disclosure a...

Important: Red Hat Security Advisory: nodejs26 security, bug fix, and enhancement update

An update for nodejs26 is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from...

undici: undici: Cache poisoning and information disclosure via improper cross-origin redirect caching

A flaw was found in undici. When an application configures redirect handling alongside a shared cache, responses received after cross-origin redirects are incorrectly stored under the initial request URL. A remote attacker who controls a redirect destination can exploit this vulnerability to pois...

dns-rebind-toolkit

DNS Rebind Toolkit Demo | Security Advisory | Included Payloads | FAQ DISCLAIMER: This software is for educational purposes only. This software should not be used for illegal activity. The author is not responsible for its use. Don't be a dick. DNS Rebind Toolkit is a frontend JavaScript framewor...

Transmission 4.0.0-4.1.2 - Permissive CORS Exposes RPC Session ID

Transmission 4.0.0 through 4.1.2 sends Access-Control-Allow-Origin: on RPC responses and advertises X-Transmission-Session-Id via Access-Control-Expose-Headers on the 409 session handshake. Any website a user visits can read the session-id nonce that guards against CSRF, enabling cross-origin...

mcp-chrome-bridge (hangwin/mcp-chrome) <= 1.0.31 - CORS Origin Bypass (CSWSH)

mcp-chrome-bridge =1.0.31 uses origin.startsWith for CORS, so origins like http://127.0.0.1.evil.com are wrongly allowed, letting attackers bypass CORS and access the local server. id: CVE-2026-102878 info: name: mcp-chrome-bridge hangwin/mcp-chrome = 1.0.31 - CORS Origin Bypass CSWSH author:...

theftfuzzer

┌┬┐┬ ┬┌─┐┌─┐┌┬┐┌─┐┬ ┬┌─┐┌─┐┌─┐┬─┐ │ ├─┤├┤ ├┤ │ ├┤ │ │┌─┘┌─┘├┤ ├┬┘ ┴ ┴ ┴└─┘└ ┴ └ └─┘└─┘└─┘└─┘┴└─ Introduction: TheftFuzzer is a tool that fuzzes Cross-Origin Resource Sharing implementations for common misconfigurations. Usage: python theftfuzzer.py -d 'http://example.com/api/data' Help: python...

undici: undici: Authentication bypass via cross-origin cache poisoning due to missing origin isolation

A flaw was found in undici. When the cache or deduplicate interceptor is directly composed onto a Client or Pool, the destination origin is omitted from cache and request-deduplication keys. This allows a remote attacker to perform cross-origin cache poisoning, leading to information disclosure a...

toxssin

toxssin Purpose toxssin is an open-source penetration testing tool that automates the process of exploiting Cross-Site Scripting XSS vulnerabilities. It consists of an https server that works as an interpreter for the traffic generated by the malicious JavaScript payload that powers this tool...

cve-2020-16012

This repo contains PoCs for CVE-2020-16012, a side channel vulnerability in the implementation of CanvasRenderingContext2D.drawImage in Firefox and Chromium. Read a writeup of this vulnerability on the Mozilla Attack & Defense blog. Inside benchmark is code for measuring the timing of the...

K000164165: urllib3 vulnerability CVE-2026-44431

Security Advisory Description urllib3 is an HTTP client library for Python. From 1.23 to before 2.7.0, cross-origin redirects followed from the low-level API via ProxyManager.connectionfromurl.urlopen..., assertsamehost=False still forward these sensitive headers. This vulnerability is fixed in...

CVE-2026-43735

CVE-2026-43735 WebKit cross-origin information leak. Safari = 26.5.2: PATCHED NavigateEvent.sourceElement is null Principle When the parent page uses to trigger a fragment navigation of a cross-origin iframe, the NavigateEvent.sourceElement received by the iframe is the element of the parent page...

undici: undici: Cache poisoning and information disclosure via improper cross-origin redirect caching

A flaw was found in undici. When an application configures redirect handling alongside a shared cache, responses received after cross-origin redirects are incorrectly stored under the initial request URL. A remote attacker who controls a redirect destination can exploit this vulnerability to pois...

chromium-browser: skia: Google Chrome: Cross-origin data disclosure due to uninitialized resource in Skia

A flaw was found in Skia, a 2D graphics library used in Google Chrome. This vulnerability, stemming from an uninitialized resource, allows a remote attacker to obtain sensitive cross-origin data. By crafting a malicious HTML page, an attacker can trick a user into visiting it, leading to the...

chromium-browser: skia: Skia: Cross-origin data disclosure via use-after-free vulnerability

A flaw was found in Skia, a 2D graphics library used in Google Chrome. A remote attacker, after compromising the renderer process, could exploit a use-after-free vulnerability by crafting a malicious HTML page. This could allow the attacker to obtain sensitive cross-origin data...

chromium-browser: skia: Google Chrome Skia: Cross-origin data disclosure via improper state validation

A flaw was found in Skia, a 2D graphics library, within Google Chrome. This vulnerability, stemming from improper state validation, allows a remote attacker to exploit it. By enticing a user to visit a specially crafted HTML page, the attacker can obtain sensitive cross-origin data...

undici: undici: Cache poisoning and information disclosure via improper cross-origin redirect caching

A flaw was found in undici. When an application configures redirect handling alongside a shared cache, responses received after cross-origin redirects are incorrectly stored under the initial request URL. A remote attacker who controls a redirect destination can exploit this vulnerability to pois...

resteasy-core: RESTEasy: CorsFilter Reflects Arbitrary Origin with Credentials under Wildcard Config

A flaw was found in RESTEasy's CorsFilter, which, when configured to allow all origins "", reflects the request's Origin header back in the Access-Control-Allow-Origin response together with Access-Control-Allow-Credentials: true. This permissive cross-origin policy allows a malicious website to...

CVE-2026-120113

IBM Aspera Connect versions 1.6.1 through 4.2.19 are vulnerable to multiple security issues (CVE-2026-120113) due to missing authentication and overly permissive cross-origin access controls within the local HTTP service. A remote attacker could trick a victim into visiting a malicious webpage to...

EUVD-2026-119680

IBM Aspera Connect 1.6.1 through 4.2.19 could allow a remote attacker to obtain sensitive information and modify host trust configuration due to missing authentication and overly permissive cross-origin access controls in the local HTTP service. By persuading a victim to visit a malicious web pag...