MEDIUM 5.3 NVD
CVE-2026-115718
Frappe Builder versions 1.33.0 before1.36.0 contain a missing authorization vulnerability in the improve_prompt endpoint that allows any authenticated non-Guest
Frappe Builder versions 1.33.0 before1.36.0 contain a missing authorization vulnerability in the improve_prompt endpoint that allows any authenticated non-Guest session to invoke LLM completions without proper permission checks. Attackers can call the improve_prompt API to leverage the site owner's stored OpenRouter API key via resolve_api_key, consuming paid LLM credits and effectively turning the site into a free LLM proxy.
References
- https://github.com/frappe/builder/releases/tag/v1.36.0
- https://github.com/frappe/builder/security/advisories/GHSA-58mj-c563-p78w
- https://www.vulncheck.com/advisories/frappe-builder-before-missing-authorization-via-impro
This medium severity vulnerability with a CVSS score of 5.3 was published on 2026-10-26 via NVD.
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