{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-54230: Abrt: event handler scripts follow symlinks when writing output files, allowing arbitrary file overwrites","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-54230","status":"final","version":"1","initial_release_date":"2026-06-13T02:34:35.969Z","current_release_date":"2026-06-13T02:34:35.969Z","revision_history":[{"date":"2026-06-13T02:34:35.969Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"A symlink following vulnerability was found in the ABRT post-create event handler scripts in libreport. Event scripts write output files using shell redirections without the O_NOFOLLOW flag. If the target file is replaced with a symlink, the shell process running as root follows the symlink and writes content to the symlink target, allowing arbitrary file overwrites on the system.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-54230 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-54230"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-54230"},{"category":"external","summary":"access.redhat.com","url":"https://access.redhat.com/security/cve/CVE-2026-54230"},{"category":"external","summary":"RHBZ#2488568","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2488568"}]},"product_tree":{"branches":[{"category":"vendor","name":"Red Hat","branches":[{"category":"product_name","name":"Red Hat Enterprise Linux 6","branches":[{"category":"product_version","name":"*","product":{"name":"Red Hat Red Hat Enterprise Linux 6 *","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:red_hat:red_hat_enterprise_linux_6:*:*:*:*:*:*:*:*"}}}]}]},{"category":"vendor","name":"Red Hat","branches":[{"category":"product_name","name":"Red Hat Enterprise Linux 7","branches":[{"category":"product_version","name":"*","product":{"name":"Red Hat Red Hat Enterprise Linux 7 *","product_id":"CSAFPID-2","product_identification_helper":{"cpe":"cpe:2.3:a:red_hat:red_hat_enterprise_linux_7:*:*:*:*:*:*:*:*"}}}]}]},{"category":"vendor","name":"Red Hat","branches":[{"category":"product_name","name":"Red Hat Enterprise Linux 8","branches":[{"category":"product_version","name":"*","product":{"name":"Red Hat Red Hat Enterprise Linux 8 *","product_id":"CSAFPID-3","product_identification_helper":{"cpe":"cpe:2.3:a:red_hat:red_hat_enterprise_linux_8:*:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-54230","title":"Abrt: event handler scripts follow symlinks when writing output files, allowing arbitrary file overwrites","notes":[{"category":"description","text":"A symlink following vulnerability was found in the ABRT post-create event handler scripts in libreport. Event scripts write output files using shell redirections without the O_NOFOLLOW flag. If the target file is replaced with a symlink, the shell process running as root follows the symlink and writes content to the symlink target, allowing arbitrary file overwrites on the system.","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1","CSAFPID-2","CSAFPID-3"]},"scores":[{"cvss_v3":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7,"baseSeverity":"HIGH"},"products":["CSAFPID-1","CSAFPID-2","CSAFPID-3"]}],"remediations":[{"category":"none_available","details":"No fixed version is published yet. Monitor the upstream advisory.","product_ids":["CSAFPID-1","CSAFPID-2","CSAFPID-3"]}]}]}