{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-42535: Apache HTTP Server: mod_dav_fs protected directory access","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-42535","status":"final","version":"1","initial_release_date":"2026-06-08T15:14:49.189Z","current_release_date":"2026-06-09T12:13:11.748Z","revision_history":[{"date":"2026-06-08T15:14:49.189Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"A path handling issue in mod_dav_fs in Apache 2.4.67 and earlier allows a WebDAV content author to directly manipulate trusted DAV property databases, potentially causing child process crashes.\n\nUsers are recommended to upgrade to version 2.4.68, which fixes this issue.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-42535 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-42535"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-42535"},{"category":"external","summary":"httpd.apache.org","url":"https://httpd.apache.org/security/vulnerabilities_24.html"}]},"product_tree":{"branches":[{"category":"vendor","name":"Apache Software Foundation","branches":[{"category":"product_name","name":"Apache HTTP Server","branches":[{"category":"product_version_range","name":"<=2.4.67","product":{"name":"Apache Software Foundation Apache HTTP Server <=2.4.67","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:apache_software_foundation:apache_http_server:*:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-42535","title":"Apache HTTP Server: mod_dav_fs protected directory access","notes":[{"category":"description","text":"A path handling issue in mod_dav_fs in Apache 2.4.67 and earlier allows a WebDAV content author to directly manipulate trusted DAV property databases, potentially causing child process crashes.\n\nUsers are recommended to upgrade to version 2.4.68, which fixes this issue.","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:N/I:H/A:H","baseScore":9.1,"baseSeverity":"CRITICAL"},"products":["CSAFPID-1"]}],"remediations":[{"category":"none_available","details":"No fixed version is published yet. Monitor the upstream advisory.","product_ids":["CSAFPID-1"]}]}]}