CVE Watch16 jul 2026

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

CVSS

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Sin CVSS

EPSS

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KEV

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Exploit Today

0-100

Publicado: 16 jul 2026 · Última mod.: 16 jul 2026 · CWE-94

EPSS · 30d

Sin historial EPSS suficiente todavía.

Descripción técnica

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 frontmatter engines, allowing an attacker-controlled .prompty file with ---js frontmatter to execute arbitrary JavaScript during prompt loading. This issue is fixed in version 2.0.0-beta.3.

Referencias oficiales

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