{"schema":"threatline.record/2","record":{"id":"CVE-2026-115718","aliases":["GHSA-58mj-c563-p78w"],"summary":"Frappe Builder 1.33.0 before 1.36.0 Missing Authorization via improve_prompt","details":"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.","categories":["Unclassified"],"product":"builder","vendor":"frappe","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-115718","source_modified_at":"2026-10-26T11:45:39.586Z","fetched_at":"2026-10-26T12:48:13.248886Z","product":"builder","vendor":"frappe","versions":[{"status":"affected","version":"1.33.0","versionType":"semver","lessThan":"1.36.0"}],"defaultStatus":"unaffected"},{"source":"GitHub Advisory Database","source_url":"https://github.com/frappe/builder/security/advisories/GHSA-58mj-c563-p78w","source_modified_at":"2026-10-26T05:58:27Z","fetched_at":"2026-10-26T12:48:13.248886Z","package":{"ecosystem":"other","name":"frappe/builder"},"range":">= 1.33.0, < 1.36.0"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-115718","source_modified_at":"2026-10-26T11:45:39.586Z","fetched_at":"2026-10-26T12:48:13.248886Z","package":{"name":"builder","ecosystem":null},"version":"1.36.0","basis":"first unaffected version stated in the CVE record"},{"source":"GitHub Advisory Database","source_url":"https://github.com/frappe/builder/security/advisories/GHSA-58mj-c563-p78w","source_modified_at":"2026-10-26T05:58:27Z","fetched_at":"2026-10-26T12:48:13.248886Z","package":{"ecosystem":"other","name":"frappe/builder"},"version":"1.36.0"}],"cvss":5.3,"severity":"Medium","kev":{"listed":false},"epss":{"probability":null,"percentile":null,"score_date":null},"published_at":"2026-10-26T11:40:00.956Z","modified_at":"2026-10-26T11:45:39.586Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-115718","fetched_at":"2026-10-26T12:48:13.248886Z","source_modified_at":"2026-10-26T11:45:39.586Z"},{"source":"GitHub Advisory Database","url":"https://github.com/frappe/builder/security/advisories/GHSA-58mj-c563-p78w","fetched_at":"2026-10-26T12:48:13.248886Z","source_modified_at":"2026-10-26T05:58:27Z"}],"sources":["CVE List","GitHub Advisory Database"],"references":[{"source":"CVE List","url":"https://github.com/frappe/builder/releases/tag/v1.36.0","tags":["patch"]},{"source":"CVE List","url":"https://github.com/frappe/builder/security/advisories/GHSA-58mj-c563-p78w","tags":["vendor-advisory"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/frappe-builder-before-missing-authorization-via-improve-prompt","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-26T11:45:39.586Z","content_hash":"2cee897df3367b26b685448a65d206c08f5144ee8e8595fa3cf171f63d2dd173"}}