CVE-2026-73299

Katalog CVE

CVSS 10.0 · Critical EPSS 1,8%

Kerentanan Improper Control of Generation of Code ('Code Injection'). Skor CVSS 3.1 10.0 (Critical) menurut github.com.

Deskripsi (NVD)

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 traverse constructor and prototype properties to execute JavaScript in the host Node.js process. This issue is fixed in versions 0.1.5 and 2.0.0-beta.5.

Rincian

Terbit di NVD

12 Agustus 2026

Terakhir diubah

9 September 2026

Status NVD

Deferred

CVSS 3.1

10.0 (Critical), sumber github.com
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-94: Improper Control of Generation of Code ('Code Injection')
CWE-1336: Improper Neutralization of Special Elements Used in a Template Engine

EPSS (30 hari)

1,8% peluang dieksploitasi; lebih tinggi dari 77,7% CVE lain

Produk dan versi terdampak

NVD belum mencantumkan data produk (CPE) untuk CVE ini. Produk yang terdampak biasanya disebut di deskripsi dan di advisory vendor pada daftar referensi.

Referensi dan perbaikan

• https://github.com/microsoft/prompty/commit/e4a0ebf49e3a78d5d7796c8480bf9a4f0c54d19e
• https://github.com/microsoft/prompty/commit/f5c57c94a0990cca79d095c3daab661b4b1fb89f
• https://github.com/microsoft/prompty/pull/404
• https://github.com/microsoft/prompty/pull/405
• https://github.com/microsoft/prompty/security/advisories/GHSA-w28w-gp39-m4p6
• https://github.com/microsoft/prompty/tree/typescript/2.0.0-beta.5