RCE in Microsoft Prompty
CVE-2026-53597
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…
Vulnerability class: RCE (Remote Code Execution)
Affected products
- Microsoft Prompty — versions >= 2.0.0-alpha.1, < 2.0.0-beta.3
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)