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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.

PUBLISHED Reserved 2026-04-01 | Published 2026-07-08 | Updated 2026-07-10 | Assigner GitHub_M




MEDIUM: 6.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Problem types

CWE-94: Improper Control of Generation of Code ('Code Injection')

CWE-863: Incorrect Authorization

Product status

< 7.260401.0
affected

References

github.com/...pencti/security/advisories/GHSA-qpp6-p693-rmm4

github.com/OpenCTI-Platform/opencti/pull/15284

github.com/...ommit/b134ccedf9e68386723cb42197f8e1d60c3bdbd9

github.com/OpenCTI-Platform/opencti/releases/tag/7.260401.0

cve.org (CVE-2026-35211)

nvd.nist.gov (CVE-2026-35211)

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