Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS : urllib3 vulnerabilities (USN-8379-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8379-1 advisory. It was discovered that urllib3 incorrectly handled cross-origin redirects in ProxyManager. A remote attacker could possib...

PT-2026-46153

Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description Internal multimedia session archives are accessible without authentication. This issue is exacerbated by loose Cross-Origin Resource Sharing CORS rules, which...

PT-2026-46774

Name of the Vulnerable Software and Affected Versions Google Chrome on Android versions prior to 149.0.7827.53 Description Insufficient policy enforcement in CustomTabs allows a remote attacker to leak cross-origin data through the use of a crafted HTML page. Recommendations Update to version...

PT-2026-46780

Inappropriate implementation in Permissions in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data via a crafted HTML page. Chromium security severity: Low...

PT-2026-46881

Name of the Vulnerable Software and Affected Versions Nhost CLI affected versions not specified Description The hidden configserver used by nhost dev exposes the Mimir GraphQL API with permissive CORS and dummy authorization directives. This allows any process capable of reaching the developer's...

PT-2026-46625

Name of the Vulnerable Software and Affected Versions Google Chrome on Android versions prior to 149.0.7827.53 Description An inappropriate implementation in WebView allows a remote attacker to leak cross-origin data, which is information from a different origin than the one that initiated the...

PT-2026-46805

Name of the Vulnerable Software and Affected Versions Google Chrome on Android versions prior to 149.0.7827.53 Description An inappropriate implementation in CustomTabs allows a local attacker to leak cross-origin data through the use of a crafted HTML page. Recommendations Update to version...

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...

GHSA-HG6J-4RV6-33PG 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...

EUVD-2026-34007

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

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...

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...

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...

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...

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...

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...