AIOHTTP is vulnerable to cross-origin redirect with per-request cookies

Summary Cookies set with the cookies parameter on requests are sent after following a cross-origin redirect. Impact If a developer uses the cookies parameter on a per-request basis then sensitive data might be leaked to an attacker if they manage to control a redirect. Workaround If unable to...

CVE-2026-36604

Mercusys AC12G EU V1 router with firmware AC12GEUV1200909 does not validate the HTTP Host header, enabling DNS rebinding attacks. An external attacker can rebind a domain to the router's internal IP address, extending the CORS wildcard vulnerability Access-Control-Allow-Origin: to...

undici: undici: Information disclosure and data integrity issues due to incorrect Socks5ProxyAgent connection routing

A flaw was found in undici. When using Socks5ProxyAgent, undici incorrectly reuses a single connection pool across different origins. This can lead to cross-origin request routing, where sensitive credentials and data intended for one destination are sent to another. Consequently, responses from...

CVE-2026-6657 CORS Origin Validation Bypass in jupyter-server

A vulnerability in jupyter-server versions 1.12.0 through 2.17.0 allows an attacker to bypass CORS origin validation when the alloworiginpat configuration is used. The issue arises from the use of re.match for validating the Origin header, which only anchors at the start of the string. This allow...

USN-8379-1 python-urllib3 vulnerabilities

It was discovered that urllib3 incorrectly handled cross-origin redirects in ProxyManager. A remote attacker could possibly use this issue to obtain sensitive information. CVE-2026-44431 It was discovered that urllib3 incorrectly handled decompression of specially crafted responses. A remote...

PT-2026-46097

Summary Cookies set with the cookies parameter on requests are sent after following a cross-origin redirect. Impact If a developer uses the cookies parameter on a per-request basis then sensitive data might be leaked to an attacker if they manage to control a redirect. Workaround If unable to...

Jupyter Server 安全漏洞

Jupyter Server is an application developed by the Jupyter organization that provides backend services for Jupyter web applications. There are security vulnerabilities in the version of Jupyter Server from 1.12.0 to 2.17.0. These vulnerabilities stem from the use of re.match in CORS source...

CVE-2026-36604

Mercusys AC12G EU V1 router with firmware AC12GEUV1200909 does not validate the HTTP Host header, enabling DNS rebinding attacks. An external attacker can rebind a domain to the router's internal IP address, extending the CORS wildcard vulnerability Access-Control-Allow-Origin: to...

EUVD-2026-34143

Mercusys AC12G EU V1 router with firmware AC12GEUV1200909 does not validate the HTTP Host header, enabling DNS rebinding attacks. An external attacker can rebind a domain to the router's internal IP address, extending the CORS wildcard vulnerability Access-Control-Allow-Origin: to...

Linux Distros Unpatched Vulnerability : CVE-2026-47265

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.14.0, cookies set with the cookies parameter on requests are...

PT-2026-45961

Name of the Vulnerable Software and Affected Versions jupyter-server versions 1.12.0 through 2.17.0 Description An issue exists when the allow origin pat configuration is used, allowing an attacker to bypass Cross-Origin Resource Sharing CORS origin validation. This occurs because the re.match...

CVE-2026-36604

Mercusys AC12G EU V1 router with firmware AC12GEUV1200909 does not validate the HTTP Host header, enabling DNS rebinding attacks. An external attacker can rebind a domain to the router's internal IP address, extending the CORS wildcard vulnerability Access-Control-Allow-Origin: to...

Security update for python-urllib3_1 (important)

openSUSE security update: security update for python-urllib31 ------------------------------------------------------------- Announcement ID: openSUSE-SU-2026:20871-1 Rating: important References: bsc1265267 Cross-References: CVE-2026-44431 CVSS scores: CVE-2026-44431 SUSE : 7.5...

CVE-2026-36604

Mercusys AC12G (EU) V1 router vulnerable to DNS rebinding due to HTTP Host header validation failure in firmware AC12G(EU)_V1_200909. An external attacker could rebound a domain to the router’s internal IP, taking advantage of an existing CORS wildcard weakness (Access-Control-Allow-Origin: *). C...

EUVD-2026-34025

authentik is an open-source identity provider. Prior to version 2026.2.3, the WS-Federation provider validates the user-supplied wreply parameter using a raw string prefix check rather than proper URL parsing. An attacker who can craft a login link can supply a wreply value on a different origin...

CVE-2026-48595

Improper Handling of Case Sensitivity vulnerability in elixir-tesla tesla allows credential leakage to a third-party origin on cross-origin redirects. Tesla.Middleware.FollowRedirects strips security-sensitive headers on cross-origin redirects using a case-sensitive string comparison against a...

PYSEC-2026-2105

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.14.0, cookies set with the cookies parameter on requests are sent after following a cross-origin redirect. If a developer uses the cookies parameter on a per-request basis then sensitive data might ...

DEBIAN-CVE-2026-47265

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.14.0, cookies set with the cookies parameter on requests are sent after following a cross-origin redirect. If a developer uses the cookies parameter on a per-request basis then sensitive data might ...

CVE-2026-47265

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.14.0, cookies set with the cookies parameter on requests are sent after following a cross-origin redirect. If a developer uses the cookies parameter on a per-request basis then sensitive data might ...

CVE-2026-47265

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.14.0, cookies set with the cookies parameter on requests are sent after following a cross-origin redirect. If a developer uses the cookies parameter on a per-request basis then sensitive data might ...