PT-2026-71197 · Prompty · Prompty

CVE-2026-73299

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Published

2026-07-24

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Updated

2026-09-03

CVSS v3.1

10

Critical

VectorAV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions Prompty versions prior to 0.1.5 Prompty versions prior to 2.0.0-beta.5
Description The TypeScript Nunjucks renderer evaluates untrusted .prompty template bodies with unrestricted JavaScript member access. This allows an attacker to control a template and traverse constructor and prototype properties to execute JavaScript within the host Node.js process.
Recommendations Update to version 0.1.5 or later. Update to version 2.0.0-beta.5 or later.

Exploit

Fix

RCE

Code Injection

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Weakness Enumeration

CWE-1336CWE-94

Related Identifiers

CVE-2026-73299
GHSA-W28W-GP39-M4P6

Affected Products

Prompty