CVE-2026-19017

Consul vulnerable: Community Edition and Enterprise versions 1.18.21–2.0.2 are affected by a partial arbitrary file read when configured with Vault Connect CA provider using JWT or AppRole authentication. A user with operator:write can instruct Consul to read and forward credential files outside ...

CVE-2026-19017 Consul vulnerable to partial arbitrary file read via Vault Connect CA provider

Consul Community Edition and Consul Enterprise 1.18.21 through 2.0.2 are vulnerable to a partial arbitrary file read when configured to use the Vault Connect CA provider with JWT or AppRole authentication. A privileged attacker with operator:write permission may direct Consul to read and forward...

EUVD-2026-54610

Consul Community Edition and Consul Enterprise 1.18.21 through 2.0.2 are vulnerable to a partial arbitrary file read when configured to use the Vault Connect CA provider with JWT or AppRole authentication. A privileged attacker with operator:write permission may direct Consul to read and forward...

CVE-2026-19015 Uncontrolled resource consumption in the Consul Connect CA roots endpoint

Consul Community Edition and Consul Enterprise 1.2.0 through 2.0.2 are vulnerable to an uncontrolled resource consumption issue in the Connect CA roots endpoint that may allow a remote caller to grow the agent's Connect CA roots cache without bound, defeating the operator's cache-disable...

CVE-2026-19015

CVE-2026-19015 concerns an uncontrolled resource consumption in the Consul Connect CA roots endpoint. Affected releases: Consul Community Edition and Consul Enterprise 1.2.0 through 2.0.2. A remote attacker could cause the agent to grow its Connect CA roots cache without bound, defeating the oper...

CVE-2026-19015 Uncontrolled resource consumption in the Consul Connect CA roots endpoint

Consul Community Edition and Consul Enterprise 1.2.0 through 2.0.2 are vulnerable to an uncontrolled resource consumption issue in the Connect CA roots endpoint that may allow a remote caller to grow the agent's Connect CA roots cache without bound, defeating the operator's cache-disable...

EUVD-2026-54608

Consul Community Edition and Consul Enterprise 1.2.0 through 2.0.2 are vulnerable to an uncontrolled resource consumption issue in the Connect CA roots endpoint that may allow a remote caller to grow the agent's Connect CA roots cache without bound, defeating the operator's cache-disable...

EUVD-2026-54607

Consul Community Edition and Consul Enterprise 1.17.0 through 2.0.2 are vulnerable to an uncontrolled resource consumption issue in the Connect authorization endpoint that may allow a caller to grow the agent's intention-match cache without bound, defeating the operator's cache-disable...

CVE-2026-19014

CVE-2026-19014 affects Consul Community Edition and Consul Enterprise 1.17.0–2.0.2, where an uncontrolled resource consumption in the Connect authorization endpoint can grow the agent’s intention-match cache beyond bounds, bypassing cache-disable settings. Fixed in Consul 2.0.3 and Consul Enterpr...

CVE-2026-19014 Uncontrolled resource consumption in the Consul Connect authorization endpoint

Consul Community Edition and Consul Enterprise 1.17.0 through 2.0.2 are vulnerable to an uncontrolled resource consumption issue in the Connect authorization endpoint that may allow a caller to grow the agent's intention-match cache without bound, defeating the operator's cache-disable...

CVE-2026-19014 Uncontrolled resource consumption in the Consul Connect authorization endpoint

Consul Community Edition and Consul Enterprise 1.17.0 through 2.0.2 are vulnerable to an uncontrolled resource consumption issue in the Connect authorization endpoint that may allow a caller to grow the agent's intention-match cache without bound, defeating the operator's cache-disable...

CVE-2025-63235

In sol commit 373d848 2024-12-12, the broker does not fully release resources when handling malformed or duplicate CONNECT packets. When clients send invalid CONNECT packets - either due to repeated attempts or failed authentication - the server may silently drop the connection or send a CONNACK...

CVE-2025-63235

In sol commit 373d848 2024-12-12, the broker does not fully release resources when handling malformed or duplicate CONNECT packets. When clients send invalid CONNECT packets - either due to repeated attempts or failed authentication - the server may silently drop the connection or send a CONNACK...

CVE-2025-63235

CVE-2025-63235 affects the sol broker. Affected behavior: when handling malformed or duplicate CONNECT packets (e.g., due to repeated attempts or failed authentication), the broker may not fully release resources, possibly dropping the connection or leaving the session and internal resources allo...

EUVD-2025-210649

In sol commit 373d848 2024-12-12, the broker does not fully release resources when handling malformed or duplicate CONNECT packets. When clients send invalid CONNECT packets - either due to repeated attempts or failed authentication - the server may silently drop the connection or send a CONNACK...

CVE-2026-71324

Traefik is an open source HTTP reverse proxy and load balancer. Prior to 2.11.53, 3.6.24, and 3.7.9, Traefik's default HTTP reverse proxy forwards a plain HTTP/2 or HTTP/3 CONNECT request and its body to an HTTP/1.1 upstream through a shared net/http.Transport. When the upstream answers the CONNE...

Traefik: Cross-user response poisoning via proxied CONNECT on Traefik's shared backend keep-alive pool

Summary There is a critical vulnerability in Traefik's default HTTP reverse proxy that leads to unauthenticated cross-user response poisoning. When a client opens an HTTP/2 or HTTP/3 CONNECT request, Traefik forwards it — body included — to an HTTP/1.1 upstream over a shared net/http.Transport. I...

GHSA-3CCP-42PG-HGV6 Traefik: Cross-user response poisoning via proxied CONNECT on Traefik's shared backend keep-alive pool

Summary There is a critical vulnerability in Traefik's default HTTP reverse proxy that leads to unauthenticated cross-user response poisoning. When a client opens an HTTP/2 or HTTP/3 CONNECT request, Traefik forwards it — body included — to an HTTP/1.1 upstream over a shared net/http.Transport. I...

CVE-2026-71324 Traefik: Cross-user response poisoning via proxied CONNECT on Traefik's shared backend keep-alive pool

Traefik is an open source HTTP reverse proxy and load balancer. Prior to 2.11.53, 3.6.24, and 3.7.9, Traefik's default HTTP reverse proxy forwards a plain HTTP/2 or HTTP/3 CONNECT request and its body to an HTTP/1.1 upstream through a shared net/http.Transport. When the upstream answers the CONNE...

CVE-2026-71324 Traefik: Cross-user response poisoning via proxied CONNECT on Traefik's shared backend keep-alive pool

Traefik is an open source HTTP reverse proxy and load balancer. Prior to 2.11.53, 3.6.24, and 3.7.9, Traefik's default HTTP reverse proxy forwards a plain HTTP/2 or HTTP/3 CONNECT request and its body to an HTTP/1.1 upstream through a shared net/http.Transport. When the upstream answers the CONNE...