{"apiVersion":"1.0","identifier":"CVE-2026-73299","description":"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.","publishedAt":"2026-08-12T18:18:15","lastModifiedAt":"2026-08-12T20:17:53","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-73299","cvssScore":10,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","epssProbability":0.01215,"riskScore":1.11,"affectedProduct":"Prompty","affectedVersions":"<0.1.5","vulnerabilityType":"Library","operatingSystems":[],"links":{"self":"https://www.redsauce.net/api/cves/CVE-2026-73299","webPages":{"es":"https://www.redsauce.net/es/cves/CVE-2026-73299","en":"https://www.redsauce.net/en/cves/CVE-2026-73299","fr":"https://www.redsauce.net/fr/cves/CVE-2026-73299","pt":"https://www.redsauce.net/pt/cves/CVE-2026-73299","de":"https://www.redsauce.net/de/cves/CVE-2026-73299","sk":"https://www.redsauce.net/sk/cves/CVE-2026-73299","el":"https://www.redsauce.net/el/cves/CVE-2026-73299"},"source":"https://nvd.nist.gov/vuln/detail/CVE-2026-73299"}}