CVE-2026-54249

Pydantic AI is a Python agent framework for building Generative AI applications. In versions 1.65.0 through 1.105.0, and 2.0.0b1 through 2.0.0b5, a client that submits message history to a Pydantic AI UI adapter such as the Vercel AI adapter can reference arbitrary files in the application's...

CVE-2026-46678 Pydantic AI: SSRF cloud-metadata blocklist bypass via IPv4-mapped IPv6 (Incomplete fix of CVE-2026-25580)

Pydantic AI is a Python agent framework for building Generative AI applications. In versions 1.56.0 through 1.98.0, when an application opts a URL into forcedownload='allow-local' disabling the default block on private/internal IPs, the cloud-metadata blocklist could be bypassed by encoding the...

CVE-2026-46678 Pydantic AI: SSRF cloud-metadata blocklist bypass via IPv4-mapped IPv6 (Incomplete fix of CVE-2026-25580)

Pydantic AI is a Python agent framework for building Generative AI applications. In versions 1.56.0 through 1.98.0, when an application opts a URL into forcedownload='allow-local' disabling the default block on private/internal IPs, the cloud-metadata blocklist could be bypassed by encoding the...

CVE-2026-46678

Pydantic AI CVE-2026-46678 affects versions 1.56.0–1.98.0 where force_download='allow-local' on a URL influenced by untrusted input can bypass the cloud-metadata blocklist using IPv6 transition forms (IPv4-mapped IPv6, 6to4, NAT64, NAT64/isatap variants). The issue is mitigated by upgrading to 1....

CVE-2026-46678

Pydantic AI is a Python agent framework for building Generative AI applications. In versions 1.56.0 through 1.98.0, when an application opts a URL into forcedownload='allow-local' disabling the default block on private/internal IPs, the cloud-metadata blocklist could be bypassed by encoding the...

CVE-2026-46678 Pydantic AI: SSRF cloud-metadata blocklist bypass via IPv4-mapped IPv6 (Incomplete fix of CVE-2026-25580)

Pydantic AI is a Python agent framework for building Generative AI applications. In versions 1.56.0 through 1.98.0, when an application opts a URL into forcedownload='allow-local' disabling the default block on private/internal IPs, the cloud-metadata blocklist could be bypassed by encoding the...

EUVD-2026-50561

Pydantic AI is a Python agent framework for building Generative AI applications. In versions 1.56.0 through 1.98.0, when an application opts a URL into forcedownload='allow-local' disabling the default block on private/internal IPs, the cloud-metadata blocklist could be bypassed by encoding the...

CVE-2026-65975

Pydantic AI is a Python agent framework for building applications and workflows with Generative AI. In versions 1.88.0 up to but not including 1.107.1 and 2.0.0b1 up to but not including 2.5.0, the UI adapters AG-UI via Agent.toagui/AGUIAdapter, and Vercel AI via VercelAIAdapter use...

CVE-2026-65975 Pydantic AI AG-UI Adapter: A dangling client-submitted tool call can execute when a trailing message is dropped during `sanitize_messages`

Pydantic AI is a Python agent framework for building applications and workflows with Generative AI. In versions 1.88.0 up to but not including 1.107.1 and 2.0.0b1 up to but not including 2.5.0, the UI adapters AG-UI via Agent.toagui/AGUIAdapter, and Vercel AI via VercelAIAdapter use...

CVE-2026-65975 Pydantic AI AG-UI Adapter: A dangling client-submitted tool call can execute when a trailing message is dropped during `sanitize_messages`

Pydantic AI is a Python agent framework for building applications and workflows with Generative AI. In versions 1.88.0 up to but not including 1.107.1 and 2.0.0b1 up to but not including 2.5.0, the UI adapters AG-UI via Agent.toagui/AGUIAdapter, and Vercel AI via VercelAIAdapter use...

EUVD-2026-50555

Pydantic AI is a Python agent framework for building applications and workflows with Generative AI. In versions 1.88.0 up to but not including 1.107.1 and 2.0.0b1 up to but not including 2.5.0, the UI adapters AG-UI via Agent.toagui/AGUIAdapter, and Vercel AI via VercelAIAdapter use...

PT-2026-65904

Name of the Vulnerable Software and Affected Versions Pydantic AI versions 1.65.0 through 1.105.0 Pydantic AI versions 2.0.0b1 through 2.0.0b5 Description A client submitting message history to a UI adapter can reference arbitrary files within the application's model-provider or cloud-storage...

CVE-2026-54656

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. From 0.52.1 until 0.60.2, datamodel-code-generator interpolates validators from --extra-template-data in...

GHSA-8M8R-38JM-F355 `datamodel-code-generator` vulnerable to code execution on import via unescaped `validators` entries in --extra-template-data

Summary When the Pydantic v2 output mode is in use, datamodel-code-generator reads a validators array from each model entry in the --extra-template-data file and synthesises a Pydantic @fieldvalidator... decorator from each entry. The field names and the validator mode are interpolated into the...

`datamodel-code-generator` vulnerable to code execution on import via unescaped `validators` entries in --extra-template-data

Summary When the Pydantic v2 output mode is in use, datamodel-code-generator reads a validators array from each model entry in the --extra-template-data file and synthesises a Pydantic @fieldvalidator... decorator from each entry. The field names and the validator mode are interpolated into the...

CVE-2026-54656 `datamodel-code-generator` vulnerable to code execution on import via unescaped `validators` entries in --extra-template-data

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. From 0.52.1 until 0.60.2, datamodel-code-generator interpolates validators from --extra-template-data in...

CVE-2026-54656

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. From 0.52.1 until 0.60.2, datamodel-code-generator interpolates validators from --extra-template-data in...

PT-2026-65611

Name of the Vulnerable Software and Affected Versions datamodel-code-generator versions 0.52.1 through 0.60.1 Description When using Pydantic v2 output mode, the software improperly handles data from the --extra-template-data file. Specifically, the process validators function in src/datamodel co...

PT-2026-65614

Name of the Vulnerable Software and Affected Versions datamodel-code-generator versions prior to 0.62.0 Description An unauthenticated path traversal and information disclosure issue exists when the software resolves JSON Schema $ref targets. The application fails to restrict these targets to the...

MGASA-2026-0260 Updated python-pydantic-settings packages fix a security vulnerability

The updated packages fix a security vulnerability: NestedSecretsSettingsSource follows symlinks outside secretsdir, enabling local file read and bypassing secretsdirmaxsize. CVE-2026-58203...