{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-39938: Cacti: Unauthenticated RCE on Graph Image","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-39938","status":"final","version":"1","initial_release_date":"2026-06-24T22:41:04.777Z","current_release_date":"2026-06-24T22:41:04.777Z","revision_history":[{"date":"2026-06-24T22:41:04.777Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"Cacti is an open source performance and fault management framework. Versions 1.2.30 and prior have unauthenticated LFI through graph_theme and rrdtool IPC serialization hardening. This issue has been resolved in version 1.2.31.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-39938 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-39938"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-39938"},{"category":"external","summary":"https://github.com/Cacti/cacti/security/advisories/GHSA-rm7p-qcqm-x5m6","url":"https://github.com/Cacti/cacti/security/advisories/GHSA-rm7p-qcqm-x5m6"},{"category":"external","summary":"https://github.com/Cacti/cacti/commit/9871f0cef9af285398d558c9b3188d5977e01a04","url":"https://github.com/Cacti/cacti/commit/9871f0cef9af285398d558c9b3188d5977e01a04"}]},"product_tree":{"branches":[{"category":"vendor","name":"Cacti","branches":[{"category":"product_name","name":"cacti","branches":[{"category":"product_version","name":"< 1.2.31","product":{"name":"Cacti cacti < 1.2.31","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:cacti:cacti:\\<_1.2.31:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-39938","title":"Cacti: Unauthenticated RCE on Graph Image","notes":[{"category":"description","text":"Cacti is an open source performance and fault management framework. Versions 1.2.30 and prior have unauthenticated LFI through graph_theme and rrdtool IPC serialization hardening. This issue has been resolved in version 1.2.31.","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1"]},"scores":[{"cvss_v3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":9.8,"baseSeverity":"CRITICAL"},"products":["CSAFPID-1"]}],"remediations":[{"category":"none_available","details":"No fixed version is published yet. Monitor the upstream advisory.","product_ids":["CSAFPID-1"]}]}]}