Lucene search
+L

CVE-2026-107294 Pydantic AI: Unbounded memory use when downloading remote content via web_fetch or FileUrl

🗓️ 08 Oct 2026 16:59:25Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 5 Views

Unbounded memory use in Pydantic AI web_fetch or FileUrl allows DoS via large responses.

Related
Affected
Refs
[
  {
    "vendor": "pydantic",
    "product": "pydantic-ai",
    "versions": [
      {
        "version": ">= 1.77.0, < 1.107.2",
        "status": "affected"
      },
      {
        "version": ">= 2.0.0b1, < 2.24.0",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "pydantic",
    "product": "pydantic-ai-slim",
    "versions": [
      {
        "version": ">= 1.77.0, < 1.107.2",
        "status": "affected"
      },
      {
        "version": ">= 2.0.0b1, < 2.24.0",
        "status": "affected"
      }
    ]
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation