n8n-MCP: Multi-tenant MCP requests fall back to process-level n8n credentials when tenant headers are absent or incomplete

Summary When ENABLEMULTITENANT=true, the HTTP transport documents that the target n8n instance is selected per-request from x-n8n-url / x-n8n-key headers. Requests that omitted those headers — or supplied only one of them — silently fell back to the process-level N8NAPIURL / N8NAPIKEY credentials...

Failing Open

Overview n8n-mcp is an Integration between n8n workflow automation and Model Context Protocol MCP Affected versions of this package are vulnerable to Failing Open when handing multi-tenant HTTP requests ENABLEMULTITENANT=true containing one or neither of the x-n8n-url and x-n8n-key headers. An...

GHSA-JXX9-PX88-PJ69 n8n-MCP: Multi-tenant MCP requests fall back to process-level n8n credentials when tenant headers are absent or incomplete

Summary When ENABLEMULTITENANT=true, the HTTP transport documents that the target n8n instance is selected per-request from x-n8n-url / x-n8n-key headers. Requests that omitted those headers — or supplied only one of them — silently fell back to the process-level N8NAPIURL / N8NAPIKEY credentials...

GHSA-FVH2-GM75-J4J7 dynoxide: DNS rebinding and cross-origin CSRF via MCP HTTP transport

Summary dynoxide's MCP HTTP transport was vulnerable to DNS rebinding via its transitive rmcp dependency, plus a related cross-origin CSRF gap. A malicious web page could make the user's browser send requests to a local dynoxide mcp --http or dynoxide serve --mcp server with a non-loopback Host...

dynoxide: DNS rebinding and cross-origin CSRF via MCP HTTP transport

Summary dynoxide's MCP HTTP transport was vulnerable to DNS rebinding via its transitive rmcp dependency, plus a related cross-origin CSRF gap. A malicious web page could make the user's browser send requests to a local dynoxide mcp --http or dynoxide serve --mcp server with a non-loopback Host...

com.akamai.edgegrid:edgegrid-signer-async-http-client (>=6.0.1 <=6.0.1-rc.1), com.cloudbees.thirdparty:zendesk-java-client (>=1.1.0 <=1.3.1) +50 more potentially affected by CVE-2026-45300 via org.asynchttpclient:async-http-client (>=3.0.0.Beta1 <=3.0.1)

org.asynchttpclient:async-http-client MAVEN version =3.0.0.Beta1, =6.0.1, =1.1.0, =0.4.8, =0.4.8, =0.4.8, =218.0.0, =14.5.0, =15.4.0 - com.navercorp.pinpoint:pinpoint-agentstatistics-collector =3.1.0 - com.navercorp.pinpoint:pinpoint-batch =3.1.0 - com.navercorp.pinpoint:pinpoint-collector-starte...

com.akamai.edgegrid:edgegrid-signer-async-http-client (>=6.0.1 <=6.0.1-rc.1), com.cloudbees.thirdparty:zendesk-java-client (>=1.1.0 <=1.3.1) +50 more potentially affected by CVE-2026-45300 via org.asynchttpclient:async-http-client (>=3.0.0.Beta1 <=3.0.1)

org.asynchttpclient:async-http-client MAVEN version =3.0.0.Beta1, =6.0.1, =1.1.0, =0.4.8, =0.4.8, =0.4.8, =218.0.0, =14.5.0, =15.4.0 - com.navercorp.pinpoint:pinpoint-agentstatistics-collector =3.1.0 - com.navercorp.pinpoint:pinpoint-batch =3.1.0 - com.navercorp.pinpoint:pinpoint-collector-starte...

ai.evolv:ascend-sdk (=0.5.0), app.peac:core (=0.0.1) +2567 more potentially affected by CVE-2026-45300 via org.asynchttpclient:async-http-client (>=2.0.0-RC1 <=2.14.5)

org.asynchttpclient:async-http-client MAVEN version =2.0.0-RC1, =0.7.0, =0.7.0, =0.1.0, =0.2.0, =0.7.0, =0.7.0, =0.1.0, =0.2.0, =0.1.0, =0.2.0, =2.2, =2.0, =2.0-RC2 and more Source cves: CVE-2026-45300 Source advisory: SNYK:JAVA-ORGASYNCHTTPCLIENT-16755239...

async-http-client: Cookie header not stripped on cross-origin redirect

Summary async-http-client leaks Cookie headers to cross-origin redirect targets. When following a redirect across a security boundary different origin, or HTTPS→HTTP downgrade, the propagatedHeaders method in Redirect30xInterceptor.java strips Authorization and Proxy-Authorization headers but doe...

CLSA-2026-1779119053 Fix of 8 CVEs

SECURITY UPDATE: modproxyajp heap buffer over-read in ajpmsggetstring - debian/patches/CVE-2026-34032.patch: add buffer checks in modules/proxy/ajpmsg.c. - CVE-2026-34032 SECURITY UPDATE: AJP getter functions off-by-one out-of-bounds reads - debian/patches/CVE-2026-33857.patch: fix length checks ...

CLSA-2026-1779118679 Fix of 8 CVEs

SECURITY UPDATE: modproxyajp heap buffer over-read in ajpmsggetstring - debian/patches/CVE-2026-34032.patch: add buffer checks in modules/proxy/ajpmsg.c. - CVE-2026-34032 SECURITY UPDATE: AJP getter functions off-by-one out-of-bounds reads - debian/patches/CVE-2026-33857.patch: fix length checks ...

Security Bulletin: Multiple Vulnerabilities have been identified in IBM HTTP Server shipped with IBM WebSphere Remote Server

Summary IBM HTTP Server is shipped with IBM WebSphere Remote Server. Information about security vulnerabilities affecting IBM HTTP Server have been published in a security bulletin CVE-2026-28780, CVE-2026-33857, CVE-2026-34032, CVE-2026-34059, CVE-2026-41080 Vulnerability Details Refer to the...

CLEANSTART-2026-OZ77074 Security fixes for ghsa-r4q5-vmmm-2653 applied in versions: 5.1.0-r1

Security vulnerability affects the configurable-http-proxy package. This issue is resolved in later releases. See references for vulnerability details...

Arcane Backend: Missing admin authorization on git repository endpoints allows non-admin users to exfiltrate stored Git credentials and tamper with GitOps configs

Summary Arcane's huma-based REST API exposes nine endpoints under /api/customize/git-repositories and /api/git-repositories/sync for managing GitOps source repositories and their stored credentials. Eight of those endpoints list, create, get, update, delete, test, listBranches, browseFiles never...

GHSA-F3RG-XQJJ-CJ9W n8n-MCP: Workflow telemetry sanitizer could retain partial values from URL-shaped node parameters

Summary In affected versions of n8n-mcp, the workflow telemetry sanitizer could retain partial fragments of URL-shaped node parameters before sending workflow data to the project's anonymous telemetry backend. Values placed in HTTP-Request-style node parameters — such as customer or tenant...

netty: Netty: Denial of Service via HTTP/2 CONTINUATION frame flood

A flaw was found in Netty. A remote user can trigger a Denial of Service DoS against a Netty HTTP/2 server by sending a flood of CONTINUATION frames. The server's lack of a limit on these frames, coupled with a bypass of size-based mitigations using zero-byte frames, allows an attacker to consume...

netty: Netty: Denial of Service via HTTP/2 CONTINUATION frame flood

A flaw was found in Netty. A remote user can trigger a Denial of Service DoS against a Netty HTTP/2 server by sending a flood of CONTINUATION frames. The server's lack of a limit on these frames, coupled with a bypass of size-based mitigations using zero-byte frames, allows an attacker to consume...

io.netty/netty-codec-http: Netty: Request smuggling via incorrect parsing of HTTP/1.1 chunked transfer encoding extension values

A flaw was found in Netty. A remote attacker could exploit this vulnerability by sending specially crafted HTTP/1.1 chunked transfer encoding extension values. Due to incorrect parsing of quoted strings, this flaw enables request smuggling attacks, potentially allowing an attacker to bypass...

Security Bulletin: DevOps Test Performance contains a vulnerability related to use of netty-handler-proxy

Summary Due to use of netty-handler-proxy, DevOps Test Performance and Rational Performance Tester contain a potential header injection vulnerability. Vulnerability Details CVEID:CVE-2026-42578 DESCRIPTION: Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Fina...

CLSA-2026-1779096552 Fix CVE(s): CVE-2025-13836, CVE-2026-4519

SECURITY UPDATE: memory denial of service via attacker-controlled Content-Length in http.client - debian/patches/CVE-2025-13836.patch: rewrite Lib/http/client.py saferead to read large responses in geometrically-growing chunks bounded by MINREADBUFSIZE 1 MiB, preventing OOM when a malicious serve...