io.netty/netty-codec-http2: HTTP/1 absolute-form Host mismatch is translated to HTTP/2 :authority, overriding the request-target authority

A flaw was found in Netty. A remote unauthenticated attacker can exploit a vulnerability in Netty's HTTP/1 to HTTP/2 conversion process. When an HTTP/1 request includes both an absolute-form request-target and a conflicting Host header, Netty incorrectly prioritizes the Host header for the HTTP/2...

HTTP Request Smuggling

Http4s is vulnerable to HTTP Request Smuggling. The vulnerability is due to inconsistent HTTP message body framing between Ember and an intermediary when both headers are present, which allows an attacker to smuggle a second request, bypass access controls, poison caches, or cause a victim reques...

CVE-2026-59303

A flaw was found in Spring Cloud Stream where the dynamic destination cache size is not properly bound. This could lead to excessive memory consumption, potentially impacting system resources. An attacker with high privileges and user interaction could exploit this vulnerability over a network to...

WordPress APCu Manager plugin < 4.5.0 - Unauthenticated Stored XSS via Cache Key Pollution vulnerability

Unauthenticated Stored XSS via Cache Key Pollution vulnerability discovered by Alessandro Greco aka Aleff, Giovanbattista Ianni University of Calabria - UNICAL in WordPress Plugin APCu Manager versions 4.5.0...

CVE-2025-12999

UrlUtil.getBaseUrl builds the absolute URLs in a response — download links, icons, asset and API URLs — from the X-Forwarded-Host, X-Forwarded-Proto and X-Forwarded-Prefix request headers, with no check on whether the sender was a trusted proxy, falling back to the client-supplied Host header...

EUVD-2025-210973

UrlUtil.getBaseUrl builds the absolute URLs in a response — download links, icons, asset and API URLs — from the X-Forwarded-Host, X-Forwarded-Proto and X-Forwarded-Prefix request headers, with no check on whether the sender was a trusted proxy, falling back to the client-supplied Host header...

CVE-2025-12999

UrlUtil.getBaseUrl builds the absolute URLs in a response — download links, icons, asset and API URLs — from the X-Forwarded-Host, X-Forwarded-Proto and X-Forwarded-Prefix request headers, with no check on whether the sender was a trusted proxy, falling back to the client-supplied Host header...

CVE-2025-12999

Open VSX is vulnerable to cache poisoning via UrlUtil.getBaseUrl , which constructs absolute URLs (download links, signatures, public keys) from X-Forwarded-Host , X-Forwarded-Proto , and X-Forwarded-Prefix headers without verifying the sender is a trusted proxy. A single unauthenticated request ...

CVE-2025-12999

UrlUtil.getBaseUrl builds the absolute URLs in a response — download links, icons, asset and API URLs — from the X-Forwarded-Host, X-Forwarded-Proto and X-Forwarded-Prefix request headers, with no check on whether the sender was a trusted proxy, falling back to the client-supplied Host header...

CVE-2025-12999

UrlUtil.getBaseUrl builds the absolute URLs in a response — download links, icons, asset and API URLs — from the X-Forwarded-Host, X-Forwarded-Proto and X-Forwarded-Prefix request headers, with no check on whether the sender was a trusted proxy, falling back to the client-supplied Host header...

CVE-2026-94215

A flaw was found in the Admin REST API of Keycloak, an open-source identity and access management solution. The issue occurs because the API uses a per-request in-memory cache to resolve clients by their unique identifier without verifying if the client belongs to the realm specified in the reque...

unbound: Unbound: DNS cache poisoning via UDP source port predictability

A flaw in Unbound's SOREUSEPORT implementation reduces UDP source port entropy by allowing attackers to map ports to specific worker threads. This enables DNS cache poisoning, potentially leading to traffic redirection or unauthorized information disclosure...

Moderate: Red Hat Security Advisory: unbound security update

An update for unbound is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

CVE-2026-94215 Keycloak-services: keycloak-services: cross-realm client read/write via request-level cache missing realm ownership check

A flaw was found in the Admin REST API of Keycloak, an open-source identity and access management solution. The issue occurs because the API uses a per-request in-memory cache to resolve clients by their unique identifier without verifying if the client belongs to the realm specified in the reque...

CVE-2026-94215

Keycloak's Admin REST API contains a cross-realm privilege escalation flaw. The API uses a per-request in-memory cache to resolve clients by their unique identifier without verifying realm ownership , allowing a limited-privilege administrator to read or modify client configurations in the master...

CVE-2026-94215 Keycloak-services: keycloak-services: cross-realm client read/write via request-level cache missing realm ownership check

A flaw was found in the Admin REST API of Keycloak, an open-source identity and access management solution. The issue occurs because the API uses a per-request in-memory cache to resolve clients by their unique identifier without verifying if the client belongs to the realm specified in the reque...

EUVD-2026-83841

A flaw was found in the Admin REST API of Keycloak, an open-source identity and access management solution. The issue occurs because the API uses a per-request in-memory cache to resolve clients by their unique identifier without verifying if the client belongs to the realm specified in the reque...

CVE-2026-94215

A flaw was found in the Admin REST API of Keycloak, an open-source identity and access management solution. The issue occurs because the API uses a per-request in-memory cache to resolve clients by their unique identifier without verifying if the client belongs to the realm specified in the reque...

Linux Distros Unpatched Vulnerability : CVE-2026-93748

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - http-cache-semantics through 4.2.0 fails to properly validate security-zeroed cache entries when processing client max-stale directives, allowing unauthenticate...

PT-2026-96056

Name of the Vulnerable Software and Affected Versions Open VSX affected versions not specified Description An unauthenticated remote attacker can poison the per-extension metadata cache by supplying crafted X-Forwarded-Host, X-Forwarded-Proto, and X-Forwarded-Prefix request headers. The...