CVE-2026-63118

MCP Ruby SDK is the official Ruby SDK for Model Context Protocol servers and clients. Prior to 0.23.0, MCP::Server::Transports::StreamableHTTPTransport in the mcp gem does not validate the HTTP Host or Origin request headers, which allows a malicious browser page to use DNS rebinding to reach a...

CVE-2026-63118 MCP Ruby SDK: Streamable HTTP transport lacks DNS-rebinding (Host/Origin) protection

MCP Ruby SDK is the official Ruby SDK for Model Context Protocol servers and clients. Prior to 0.23.0, MCP::Server::Transports::StreamableHTTPTransport in the mcp gem does not validate the HTTP Host or Origin request headers, which allows a malicious browser page to use DNS rebinding to reach a...

CVE-2026-63118

The MCP Ruby SDK (mcp gem) contains a DNS rebind vulnerability in MCP::Server::Transports::StreamableHTTPTransport where HTTP Host/Origin are not validated. This allows a malicious page to bind a victim’s locally running MCP server to a loopback/ LAN address and post JSON‑RPC requests to exposed ...

PT-2026-65888

Name of the Vulnerable Software and Affected Versions mcp versions prior to 0.23.0 Description The MCP::Server::Transports::StreamableHTTPTransport component in the mcp gem fails to validate the HTTP Host or Origin request headers. This allows a malicious browser page to utilize DNS rebinding—a...

CVE-2026-55391

datamodel-code-generator generates Pydantic v2 models, dataclasses, TypedDict, and msgspec.Struct from OpenAPI, JSON Schema, GraphQL, Avro, Protobuf, and raw JSON, YAML, or CSV. Prior to 0.63.0, datamodel-code-generator validates a URL host once in src/datamodelcodegenerator/http.py through...

GHSA-VX7X-VCC2-C44G datamodel-code-generator vulnerable to SSRF protection bypass via DNS rebinding

Summary datamodel-code-generator's anti-SSRF guard validates the resolved IP of a fetch target once and then lets httpx perform its own independent DNS resolution to connect, so the validated address is never pinned. A hostname that resolves to a public IP at validation time and a private IP at...

datamodel-code-generator vulnerable to SSRF protection bypass via DNS rebinding

Summary datamodel-code-generator's anti-SSRF guard validates the resolved IP of a fetch target once and then lets httpx perform its own independent DNS resolution to connect, so the validated address is never pinned. A hostname that resolves to a public IP at validation time and a private IP at...

CVE-2026-55391 datamodel-code-generator vulnerable to SSRF protection bypass via DNS rebinding

datamodel-code-generator generates Pydantic v2 models, dataclasses, TypedDict, and msgspec.Struct from OpenAPI, JSON Schema, GraphQL, Avro, Protobuf, and raw JSON, YAML, or CSV. Prior to 0.63.0, datamodel-code-generator validates a URL host once in src/datamodelcodegenerator/http.py through...

CVE-2026-55391

datamodel-code-generator generates Pydantic v2 models, dataclasses, TypedDict, and msgspec.Struct from OpenAPI, JSON Schema, GraphQL, Avro, Protobuf, and raw JSON, YAML, or CSV. Prior to 0.63.0, datamodel-code-generator validates a URL host once in src/datamodelcodegenerator/http.py through...

EUVD-2026-50076

datamodel-code-generator generates Pydantic v2 models, dataclasses, TypedDict, and msgspec.Struct from OpenAPI, JSON Schema, GraphQL, Avro, Protobuf, and raw JSON, YAML, or CSV. Prior to 0.63.0, datamodel-code-generator validates a URL host once in src/datamodelcodegenerator/http.py through...

CVE-2026-55391 datamodel-code-generator vulnerable to SSRF protection bypass via DNS rebinding

datamodel-code-generator generates Pydantic v2 models, dataclasses, TypedDict, and msgspec.Struct from OpenAPI, JSON Schema, GraphQL, Avro, Protobuf, and raw JSON, YAML, or CSV. Prior to 0.63.0, datamodel-code-generator validates a URL host once in src/datamodelcodegenerator/http.py through...

DNS Rebinding

Overview org.keycloak:keycloak-services is an open source identity and access management solution for modern applications and services. Affected versions of this package are vulnerable to DNS Rebinding in the client host restriction logic. An attacker can bypass wildcard domain restrictions on...

Server-side Request Forgery (SSRF)

Overview @budibase/server is a Budibase Web Server Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the REST datasource integration due to improper handling of DNS rebinding protections. An attacker can access internal-only services, read sensitive data, or...

Server-side Request Forgery (SSRF)

Overview @budibase/backend-core is a Budibase backend core libraries used in server and worker Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the REST datasource integration due to improper handling of DNS rebinding protections. An attacker can access...

Budibase: SSRF via DNS rebinding in the REST datasource integration

Summary Budibase's central outbound-fetch guard fetchWithBlacklist prevents SSRF/DNS-rebinding by resolving the target hostname, checking every resolved IP against the blacklist, and pinning the connection to the validated IP. The pin is implemented as a Node https.Agent makePinnedAgent. The fix...

GHSA-XG5G-26X8-CVF4 Budibase: DNS rebinding SSRF bypasses remain in OpenAPI import and REST query execution

Impact A builder-level user can make Budibase issue server-side HTTP requests to loopback or private-network targets by using DNS rebinding against two outbound fetch paths that are still not pinned to the validated DNS answer. The first path is OpenAPI query import. It validates the supplied...

Server-side Request Forgery (SSRF)

Overview @budibase/server is a Budibase Web Server Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the OpenAPI import and REST query execution processes. An attacker can access internal network resources by exploiting DNS rebinding to bypass outbound fetch...

CVE-2026-66005

Jan through 0.8.4, fixed in commit 3e1c1e7, contains a CORS misconfiguration vulnerability in its local API server that allows network-adjacent attackers to bypass trusted host restrictions by exploiting the server's replacement of user-configured trusted hosts with a wildcard that reflects...

CVE-2026-66005

CVE-2026-66005 affects Jan up to version 0.8.4. The local API server has a CORS misconfiguration that replaces user-configured trusted hosts with a wildcard, reflecting arbitrary origins with credentials. This enables network-adjacent attackers to bypass trusted host restrictions and reach the un...

PT-2026-64318

Jan through 0.8.4, fixed in commit 3e1c1e7, contains a CORS misconfiguration vulnerability in its local API server that allows network-adjacent attackers to bypass trusted host restrictions by exploiting the server's replacement of user-configured trusted hosts with a wildcard that reflects...