GHSA-PJP5-FPMR-3349 GitHub MCP Server: Lockdown mode singleton in HTTP server causes cross-user GraphQL client confusion

Summary When running in HTTP mode with --lockdown-mode enabled, the RepoAccessCache is implemented as a process-global singleton initialized with the first authenticated user's GraphQL client. All subsequent requests from different users share this singleton and their lockdown-related GraphQL...

PT-2026-52644

Name of the Vulnerable Software and Affected Versions GitHub MCP Server versions 0.22.0 through 1.1.1 Description When operating in HTTP mode with --lockdown-mode enabled, the RepoAccessCache is implemented as a process-global singleton. This singleton is initialized using the GraphQL client of t...

CVE-2026-55455 Appsmith: SSRF in REST API / GraphQL datasource plugins via insufficient host denylist

Appsmith is a platform to build admin panels, internal tools, and dashboards. Prior to 2.1, the outbound HTTP host filter applied by WebClientUtils used by the REST API and GraphQL datasource plugins validates hosts against an exact-match string denylist. The comprehensive address-class check...

CVE-2026-55455: Server-Side Request Forgery (SSRF)

Appsmith is a platform to build admin panels, internal tools, and dashboards. Prior to 2.1, the outbound HTTP host filter applied by WebClientUtils used by the REST API and GraphQL datasource plugins validates hosts against an exact-match string denylist. The comprehensive address-class check...

GHSA-4MVW-J8R9-XCGC OpenCTI May Bypass Introspection Restriction

Summary The regex validation used to prevent Introspection queries can be bypassed by removing the extra whitespace, carriage return, and line feed characters from the query. Details GraphQL Queries in OpenCTI can be validated using the secureIntrospectionPlugin. Impact Bypassing this restriction...

OpenCTI May Bypass Introspection Restriction

Summary The regex validation used to prevent Introspection queries can be bypassed by removing the extra whitespace, carriage return, and line feed characters from the query. Details GraphQL Queries in OpenCTI can be validated using the secureIntrospectionPlugin. Impact Bypassing this restriction...

EUVD-2024-36468

OpenCTI May Bypass Introspection Restriction...

CVE-2026-8934

A Missing Authorization vulnerability in a GraphQL private API operation of the Google App Engine section of the Cloud Console allows an unauthenticated remote attacker to leak sensitive App Engine request logs from other projects using a specially crafted request. This vulnerability was patched ...

CVE-2026-8934

A Missing Authorization vulnerability in a GraphQL private API operation of the Google App Engine section of the Cloud Console allows an unauthenticated remote attacker to leak sensitive App Engine request logs from other projects using a specially crafted request. This vulnerability was patched ...

CVE-2026-8934 Cross-Project Information Leakage in Google App Engine UI

A Missing Authorization vulnerability in a GraphQL private API operation of the Google App Engine section of the Cloud Console allows an unauthenticated remote attacker to leak sensitive App Engine request logs from other projects using a specially crafted request. This vulnerability was patched ...

EUVD-2026-38262

A Missing Authorization vulnerability in a GraphQL private API operation of the Google App Engine section of the Cloud Console allows an unauthenticated remote attacker to leak sensitive App Engine request logs from other projects using a specially crafted request. This vulnerability was patched ...

CVE-2026-8934

The CVE-2026-8934 describes a Missing Authorization vulnerability in a GraphQL private API operation within Google App Engine Cloud Console, enabling an unauthenticated attacker to leak sensitive App Engine request logs from other projects via a crafted request. Affected component: Google Cloud C...

CVE-2026-8934 Cross-Project Information Leakage in Google App Engine UI

A Missing Authorization vulnerability in a GraphQL private API operation of the Google App Engine section of the Cloud Console allows an unauthenticated remote attacker to leak sensitive App Engine request logs from other projects using a specially crafted request. This vulnerability was patched ...

CVE-2026-8934: Missing Authorization

A Missing Authorization vulnerability in a GraphQL private API operation of the Google App Engine section of the Cloud Console allows an unauthenticated remote attacker to leak sensitive App Engine request logs from other projects using a specially crafted request. This vulnerability was patched ...

PT-2026-51347

A Missing Authorization vulnerability in a GraphQL private API operation of the Google App Engine section of the Cloud Console allows an unauthenticated remote attacker to leak sensitive App Engine request logs from other projects using a specially crafted request. This vulnerability was patched ...

GHSA-XM3X-9CFW-JHX4 NL Portal Backend Libraries: Unauthenticated form resolver forwards the privileged Objecten-API token to a caller-supplied URL (SSRF)

Summary The public GraphQL resolvers getFormDefinitionByObjectenApiUrlurl and the deprecated getFormDefinitionByIdid fetch a caller-supplied URL using the privileged Objecten-API token. Because the /graphql endpoint is permitAll and these resolvers do not declare a CommonGroundAuthentication...

PT-2026-51104

Name of the Vulnerable Software and Affected Versions @tinacms/app versions prior to 2.5.6 tinacms versions prior to 3.9.3 Description Cross-origin postMessage handlers allow for stored XSS and session takeover. The software registers window message listeners—specifically the useTina overlay...

NL Portal Backend Libraries: Document contents remained downloadable by any logged-in user (incomplete fix of CVE-2026-49463)

Summary A previous advisory CVE-2026-49463 / GHSA-qpm9-h556-mwxm reported that any logged-in user could download any document by its identifier, and stated this was fixed in 3.0.1. For the document-content part that fix was incomplete: documents remained downloadable by any authenticated user in...

This Week in Spring - June 16th, 2026

Hi Spring fans! Welcome to another installment of This Week in Spring! I'm writing this from the oh-so-delightful and delicious! city of New Delhi, India. It's been a real privilege to come and visit so many amazing people. Last night my friend DaShaun and I presented here at the local Delhi JUG,...

PT-2026-49172

Name of the Vulnerable Software and Affected Versions python-utcp version 1.1.0 Description A server-side request forgery SSRF exists in the utcp-gql/utcp-websocket component of the universal-tool-calling-protocol. This issue allows a remote attacker to initiate a manipulation that results in the...