{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-56447: MISP remote code execution via arbitrary rdkafka configuration path","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-56447","status":"final","version":"1","initial_release_date":"2026-06-22T12:39:31.309Z","current_release_date":"2026-06-22T15:51:45.951Z","revision_history":[{"date":"2026-06-22T12:39:31.309Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"MISP allowed an authenticated site administrator to set the Kafka_rdkafka_config setting to an arbitrary filesystem path. MISP subsequently parsed the referenced INI file and passed its options to rdkafka. A crafted attacker-controlled configuration file could use rdkafka options such as plugin.library.paths to load an external library, resulting in arbitrary code execution with the privileges of the MISP process. An attacker could leverage a MISP-writable location, such as an uploaded file or administrative image, to host the malicious configuration file.\n\nThe issue is fixed by restricting the setting to absolute .ini files located only in approved configuration directories outside the webroot and MISP upload targets.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-56447 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-56447"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-56447"},{"category":"external","summary":"github.com","url":"https://github.com/MISP/MISP/commit/9600d486ccfc98388e13897fd954350cebac5fb0"}]},"product_tree":{"branches":[{"category":"vendor","name":"misp","branches":[{"category":"product_name","name":"misp","branches":[{"category":"product_version_range","name":"<=2.5.41","product":{"name":"misp misp <=2.5.41","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:misp:misp:*:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-56447","title":"MISP remote code execution via arbitrary rdkafka configuration path","notes":[{"category":"description","text":"MISP allowed an authenticated site administrator to set the Kafka_rdkafka_config setting to an arbitrary filesystem path. MISP subsequently parsed the referenced INI file and passed its options to rdkafka. A crafted attacker-controlled configuration file could use rdkafka options such as plugin.library.paths to load an external library, resulting in arbitrary code execution with the privileges of the MISP process. An attacker could leverage a MISP-writable location, such as an uploaded file or administrative image, to host the malicious configuration file.\n\nThe issue is fixed by restricting the setting to absolute .ini files located only in approved configuration directories outside the webroot and MISP upload targets.","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1"]},"scores":[{"cvss_v4":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N","baseScore":9.3,"baseSeverity":"CRITICAL"},"products":["CSAFPID-1"]}],"remediations":[{"category":"none_available","details":"No fixed version is published yet. Monitor the upstream advisory.","product_ids":["CSAFPID-1"]}]}]}