PT-2026-108032

Pydantic AI is a Python agent framework for building applications and workflows with Generative AI. From 1.77.0 until 1.107.7 and 2.52.0, the local web fetch tool and the WebFetch local fallback can consume excessive CPU and memory during HTML-to-Markdown conversion of attacker-controlled HTML...

PT-2026-108054

Pydantic AI is a Python agent framework for building applications and workflows with Generative AI. From 1.77.0 until 1.107.2 and 2.24.0, web fetch tool, the WebFetch local fallback, and remote FileUrl media downloads buffer the complete HTTP response body before enforcing content-size controls. ...

PYSEC-2026-4116 Open WebUI: Any authenticated user can reach the Azure platform channel via server-side web fetch

Summary Open WebUI fetches user-supplied URLs on the server for RAG URL ingestion and web search, and screens the resolved addresses so internal destinations cannot be reached. That screen decided whether a destination was external by asking Python's standard library whether the address is global...

Open WebUI: Any authenticated user can reach the Azure platform channel via server-side web fetch

SummaryOpen WebUI fetches user-supplied URLs on the server for RAG URL ingestion and web search, and screens the resolved addresses so internal destinations cannot be reached. That screen decided whether a destination was external by asking Python's standard library whether the address is globall...

EUVD-2026-75187

Open WebUI: Server-side fetches reach blocked and internal hosts via unvalidated HTTP redirect targets...

CVE-2026-88001

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.5 until 0.11.1, server-side web fetches did not reapply WEBFETCHFILTERLIST or private-address controls to HTTP redirect destinations when AIOHTTPCLIENTALLOWREDIRECTS was enabled. An authenticated user...

CVE-2026-87999 Open WebUI: Any authenticated user can reach the Azure platform channel via server-side web fetch

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. Prior to 0.11.1, POST /api/v1/retrieval/process/web and POST /api/v1/retrieval/process/web/search in backend/openwebui/retrieval/web/utils.py treated Python's globally routable address classification as proof th...

CVE-2026-87999

Open WebUI (a self-hosted AI platform) had a server-side request forgery (SSRF) vulnerability in backend/open_webui/retrieval/web/utils.py, affecting the POST /api/v1/retrieval/process/web and POST /api/v1/retrieval/process/web/search endpoints. The root cause was that Python's globally routable ...

PT-2026-83086

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.8.1 Description Server-side request forgery SSRF exists in the http request and web fetch agent tools. The issue occurs because DNS resolution is performed only during the guard phase without validating the resolutio...

Malicious code in devplatform-spa-plugin-s3 (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 8ca84ec076b60ced1412d45476eb90fb5c797b8dd53a5151d474dc979a085565 [email protected] is a binary dropper. index.js unconditionally requires shim.js, whose top-level init fetches a platform-specific...

MAL-2026-12996 Malicious code in bnpl-blocks-mobile-bnpl-link-group (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector b6203d02c8bfb651950b571dd342ff82e154a3c3867af751a7fb1facdb5bd0f5 On require of the package, support.js selects a platform-specific asset path and fetches a binary over HTTPS from obfuscated .workers.dev hosts...

Malicious code in cards-forms-cards-core-clone (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 9d987094f38a49c0bb9ae5329e3ff47d97489ee5af348ebc7e056e752cffc1fb On require, index.js loads runtime.js which detects OS and CPU architecture, reconstructs C2 hostnames from split string fragments...

Malicious code in cobrowsing-k8s-module (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 6cde47afeee95884dc83b3dab22855db86950fd58756900af5100d1286a7c7be On require of the package's main entry, bridge.js selects a platform-specific endpoint, reconstructs remote hostnames at runtime via array.join""...

Open WebUI: `WEB_FETCH_FILTER_LIST` host allow/block filter bypassable via URL path and non-label-boundary matching

SummaryThe administrator-configured WEBFETCHFILTERLIST the allow/block list applied to server-side web fetches: RAG URL ingestion, URL-to-markdown, web-search content fetch matches hostnames incorrectly, so the filter can be bypassed. Detailsisstringallowed backend/openwebui/utils/misc.py matches...

PYSEC-2026-3603 Open WebUI: `WEB_FETCH_FILTER_LIST` host allow/block filter bypassable via URL path and non-label-boundary matching

Summary The administrator-configured WEBFETCHFILTERLIST the allow/block list applied to server-side web fetches: RAG URL ingestion, URL-to-markdown, web-search content fetch matches hostnames incorrectly, so the filter can be bypassed. Details isstringallowed backend/openwebui/utils/misc.py match...

PYSEC-2026-3580 Nanobot contains a server-side request forgery vulnerability in the web_fetch tool

Nanobot prior to version 0.2.1 contains a server-side request forgery vulnerability in the webfetch tool that allows remote attackers to reach internal or private network hosts by supplying a URL that redirects to a loopback or private address via a 3xx Location header. Attackers can exploit the...

EUVD-2026-42633

Open WebUI: WEBFETCHFILTERLIST host allow/block filter bypassable via URL path and non-label-boundary matching...

GHSA-QG3F-8X3J-GGF2 Open WebUI: `WEB_FETCH_FILTER_LIST` host allow/block filter bypassable via URL path and non-label-boundary matching

Summary The administrator-configured WEBFETCHFILTERLIST the allow/block list applied to server-side web fetches: RAG URL ingestion, URL-to-markdown, web-search content fetch matches hostnames incorrectly, so the filter can be bypassed. Details isstringallowed backend/openwebui/utils/misc.py match...

CVE-2026-63313

9Router before 0.4.72 contains a server-side request forgery SSRF vulnerability in the /v1/web/fetch endpoint. The endpoint accepts a user-controlled url parameter and passes it to a configured external scraping provider Firecrawl, Jina Reader, Tavily, or Exa to fetch content. The URL is only...

CVE-2026-63313 9Router before 0.4.72 Server-Side Request Forgery via /v1/web/fetch

9Router before 0.4.72 contains a server-side request forgery SSRF vulnerability in the /v1/web/fetch endpoint. The endpoint accepts a user-controlled url parameter and passes it to a configured external scraping provider Firecrawl, Jina Reader, Tavily, or Exa to fetch content. The URL is only...