CVE-2026-107295

A flaw was found in pydantic-ai-slim. The local development chat interface does not properly validate request content types, allowing a malicious website visited by a developer to send cross-origin requests to the locally hosted server. A remote attacker can exploit this vulnerability to trigger...

CVE-2026-107295 `pydantic-ai-slim` web UI `/api/chat` accepts browser-simple cross-origin requests that can trigger agent tool execution

Pydantic AI is a Python agent framework for building applications and workflows with Generative AI. From 1.34.0 until 1.107.4 and 2.28.0, the Agent.toweb and clai web development chat endpoint has missing request content-type validation. A website visited by a developer can submit a...

Server-side Request Forgery (SSRF)

Overview pydantic-ai-slim is an Agent Framework / shim to use Pydantic with LLMs, slim package Affected versions of this package are vulnerable to Server-side Request Forgery SSRF through UIAdapter.sanitizemessages in pydanticaislim/pydanticai/ui/adapter.py and...

ROOT-APP-PYPI-CVE-2026-46678 CVE-2026-46678 in rootio-pydantic-ai-slim - Patched by Root

Root has patched CVE-2026-46678 in the rootio-pydantic-ai-slim package for Root:PyPI. Multiple fixed versions available...

ROOT-APP-PYPI-CVE-2026-48782 CVE-2026-48782 in pydantic-ai-slim - Patched by Root

Root has patched CVE-2026-48782 in the pydantic-ai-slim package for Root:PyPI. Multiple fixed versions available...

Server-side Request Forgery (SSRF)

Overview pydantic-ai-slim is an Agent Framework / shim to use Pydantic with LLMs, slim package Affected versions of this package are vulnerable to Server-side Request Forgery SSRF due to the blocklist bypass via additional IPv6 transition forms when forcedownload='allow-local' is enabled. An...

Server-side Request Forgery (SSRF)

Overview pydantic-ai-slim is an Agent Framework / shim to use Pydantic with LLMs, slim package Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via incomplete blocklist in isprivateip function when forcedownload='allow-local' is enabled. An attacker can access...

Cross-site Scripting (XSS)

Overview pydantic-ai-slim is an Agent Framework / shim to use Pydantic with LLMs, slim package Affected versions of this package are vulnerable to Cross-site Scripting XSS via the version query parameter used in constructing the CDN URL for serving frontend HTML. An attacker can execute arbitrary...

Server-side Request Forgery (SSRF)

Overview pydantic-ai-slim is an Agent Framework / shim to use Pydantic with LLMs, slim package Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the downloaditem function. An attacker can access internal network resources, retrieve sensitive cloud metadata, ...