netty: io.netty/netty-handler-proxy: Netty: HTTP Header Injection via HttpProxyHandler Disabled Validation

A flaw was found in Netty. The HttpProxyHandler component, which handles HTTP CONNECT requests, does not properly validate user-provided outbound headers. This allows an attacker to inject arbitrary HTTP headers into the CONNECT request sent to the proxy server. This could lead to unexpected...

netty-codec-haproxy: Netty HAProxy PROXY protocol v2 codec: Denial of Service via memory leak from crafted PROXY protocol headers

A flaw was found in the Netty HAProxy PROXY protocol v2 codec. A remote attacker can exploit this vulnerability by sending a specially crafted HAProxy PROXY protocol v2 header with nested PP2TYPESSL type-length-value TLV records. This can lead to a memory leak, causing the underlying cumulation...

CVE-2026-72533

An authentication bypass vulnerability in Portainer CE through 2.44.0 allows authenticated low-privileged users to bypass Docker proxy authorization checks via non-canonical URL normalization, defeating all authorization middleware. The proxy endpoint fails to normalize request paths before...

EUVD-2026-56132

A Server-Side Request Forgery and supply chain flaw was found in the OpenShift Console Helm catalog proxy. A namespace tenant can plant a ProjectHelmChartRepository with an arbitrary URL that the console pod fetches server-side, bypassing tenant egress restrictions. Combined with catalog metadata...

CVE-2026-72533 Portainer Portainer CE - Authentication Bypass

An authentication bypass vulnerability in Portainer CE through 2.44.0 allows authenticated low-privileged users to bypass Docker proxy authorization checks via non-canonical URL normalization, defeating all authorization middleware. The proxy endpoint fails to normalize request paths before...

CVE-2026-72533 Portainer Portainer CE - Authentication Bypass

An authentication bypass vulnerability in Portainer CE through 2.44.0 allows authenticated low-privileged users to bypass Docker proxy authorization checks via non-canonical URL normalization, defeating all authorization middleware. The proxy endpoint fails to normalize request paths before...

CVE-2026-72533 Portainer Portainer CE - Authentication Bypass

An authentication bypass vulnerability in Portainer CE through 2.44.0 allows authenticated low-privileged users to bypass Docker proxy authorization checks via non-canonical URL normalization, defeating all authorization middleware. The proxy endpoint fails to normalize request paths before...

EUVD-2026-56003

An authentication bypass vulnerability in Portainer CE through 2.44.0 allows authenticated low-privileged users to bypass Docker proxy authorization checks via non-canonical URL normalization, defeating all authorization middleware. The proxy endpoint fails to normalize request paths before...

CVE-2026-72533

An authentication bypass vulnerability in Portainer CE through 2.44.0 allows authenticated low-privileged users to bypass Docker proxy authorization checks via non-canonical URL normalization, defeating all authorization middleware. The proxy endpoint fails to normalize request paths before...

CVE-2026-72533

The CVE concerns Portainer CE (up to 2.44.0) with an authentication bypass in the Docker proxy path validation. Authenticated low-privilege users can bypass proxy authorization checks through non-canonical URL normalization, causing the proxy and authorization layer to interpret crafted requests ...

Important: Red Hat Security Advisory: Insights proxy Container Image

Initial GA Release of Red Hat Insights proxy The Insights proxy Container is used by the Insights proxy product RPM and serves as an intermediary between cystomer systems in disconnected networks, air-gapped systems or systems with no outside connections and Insights. The Insights proxy routes al...

CVE-2026-73152

GHSA-4g8q-rgxf-fmgf: EchoLink proxy: integer truncation in message length...

CVE-2026-73152

A flaw was found in svxlink's EchoLink proxy implementation. An integer truncation in message-length handling can result in incorrect buffer sizes, leading to potential memory corruption when processing specially crafted proxy messages. Mitigation Update svxlink to version 26.05.1 or later...

CVE-2026-67289

A flaw was found in FreeRDP. A malicious or compromised Remote Desktop Protocol RDP server can exploit this vulnerability to inject arbitrary headers or requests into an HTTP proxy CONNECT request. This occurs because FreeRDP does not properly validate control characters in the server-controlled...

SUSE CVE-2026-45045

Fiber is an Express inspired web framework written in Go. Prior to 3.3.0 and 2.52.14, the BalancerForward proxy helper in middleware/proxy/proxy.go uses Header.Add instead of Header.Set when injecting X-Real-IP, allowing an attacker-supplied first X-Real-IP value to be forwarded to upstream serve...

PT-2026-81157

Name of the Vulnerable Software and Affected Versions NLTK versions prior to 3.10.3 Description A server-side request forgery SSRF occurs when an HTTP proxy is configured. The nltk.pathsec.urlopen function and its callers nltk.data.load and nltk.downloader.Downloader.index/download validates the...

CVE-2026-72533: Improper Authentication

An authentication bypass vulnerability in Portainer CE through 2.44.0 allows authenticated low-privileged users to bypass Docker proxy authorization checks via non-canonical URL normalization, defeating all authorization middleware. The proxy endpoint fails to normalize request paths before...

CVE-2026-50237: Server-Side Request Forgery (SSRF)

A Server-Side Request Forgery and supply chain flaw was found in the OpenShift Console Helm catalog proxy. A namespace tenant can plant a ProjectHelmChartRepository with an arbitrary URL that the console pod fetches server-side, bypassing tenant egress restrictions. Combined with catalog metadata...

PT-2026-70152

Name of the Vulnerable Software and Affected Versions OpenShift Console affected versions not specified Description A Server-Side Request Forgery SSRF and supply chain flaw exists in the OpenShift Console Helm catalog proxy. A namespace tenant can create a ProjectHelmChartRepository using an...

PT-2026-76018

When the trusted proxies option is configured, heimdall extracts client IP addresses from the Forwarded and X-Forwarded-For headers and exposes them as Request.ClientIPAddresses to the rule pipeline. However, extracted values are not validated to be syntactically valid IP addresses. Arbitrary...