{"cve":"CVE-2026-35211","nvd":{"published":"2026-07-08T21:16:48.630","modified":"2026-10-25T17:10:00.197","status":"Analyzed","description":"OpenCTI is an open source platform for managing cyber threat intelligence knowledge and observables. Prior to 7.260401.0, the OpenCTI GraphQL API exposes a script filter operator in its FilterOperator enum that allows any authenticated user with the KNOWLEDGE capability to pass user-supplied Elasticsearch Painless script values directly into search queries without validation or sanitization, allowing computationally expensive scripts to consume cluster CPU resources and degrade or deny service for all users. This issue is fixed in version 7.260401.0.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":6.5},"cwes":["CWE-94","CWE-863"],"references":["https://github.com/OpenCTI-Platform/opencti/commit/b134ccedf9e68386723cb42197f8e1d60c3bdbd9","https://github.com/OpenCTI-Platform/opencti/pull/15284","https://github.com/OpenCTI-Platform/opencti/releases/tag/7.260401.0","https://github.com/OpenCTI-Platform/opencti/security/advisories/GHSA-qpp6-p693-rmm4"],"products":["citeum:opencti"],"source":"nvd","synced_at":"2026-10-25T17:50:06.907763985+00:00"},"epss":{"cve":"CVE-2026-35211","score":0.00522,"percentile":0.44034,"date":"2026-10-25"},"kev":null,"osv":[{"id":"PYSEC-2026-3446","url":"https://osv.dev/vulnerability/PYSEC-2026-3446","summary":"","modified":"2026-07-14T10:45:07.665536135Z","packages":[{"ecosystem":"PyPI","name":"pycti","purl":"pkg:pypi/pycti","ranges":["<7.260401.0"],"fixed":["7.260401.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}