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@prompty/core

3 known vulnerabilities.

All Critical High Medium Low Exploited only Public exploit

3 results · Feed

  • Critical 10.0
    CVE-2026-73299

    Prompty: Server-Side Template Injection to Remote Code Execution in the @prompty/core Nunjucks Renderer

    Prompty is a markdown file format (.prompty) for LLM prompts. Prior to 0.1.5 and 2.0.0-beta.5, the TypeScript Nunjucks renderer evaluated untrusted .prompty template bodies with unrestricted JavaScript member access. An attacker-controlled template could trav…

    Microsoft prompty @prompty/core npm
  • High 7.5
    CVE-2026-53598

    Prompty: Arbitrary File Read via ${file:path} Reference Expansion

    Prompty is a markdown file format (.prompty) for LLM prompts. Prior to 2.0.0-beta.2, Prompty loaders expanded ${file:...} references in .prompty frontmatter without enforcing that resolved paths stayed within the prompt directory or allowed roots, allowing an…

    Microsoft prompty @prompty/core prompty npm PyPI crates.io NuGet
  • High 8.7
    CVE-2026-53597

    Prompty: Arbitrary code execution via JavaScript frontmatter in TypeScript loader

    Prompty is a markdown file format (.prompty) for LLM prompts. From 2.0.0-alpha.1 until 2.0.0-beta.3, the @prompty/core TypeScript loader in runtime/typescript/packages/core/src/core/loader.ts used gray-matter without overriding executable js and javascript fr…

    Microsoft prompty @prompty/core npm