{"id":"CVE-2026-74038","aliases":["EUVD-2026-61074","GHSA-573w-mqw4-jvmr"],"status":"published","title":"Wazuh 4.0.0 \u003c 4.14.6 Path Traversal DoS via Agent Enrollment","description":"Wazuh 4.0.0 before 4.14.6 contains a path traversal vulnerability that allows unauthenticated remote attackers to cause denial of service by enrolling an agent with a dot-sequence name such as \"..\" through the enrollment port. Attackers exploit insufficient validation in OS_IsValidName() and unsafe path concatenation in delete_diff() to resolve the traversal to the parent queue directory, causing its subdirectories to be removed and stopping all Wazuh services requiring manual recovery.","severity":{"version":"4.0","score":7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00546,"percentile":0.46275,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-22"],"published":"2026-08-18T17:25:08Z","modified":"2026-10-28T02:30:27Z","products":[{"vendor":"wazuh","product":"wazuh"},{"vendor":"wazuh","product":"wazuh-manager"}],"references":[{"url":"https://github.com/wazuh/wazuh/security/advisories/GHSA-573w-mqw4-jvmr","tags":["vendor-advisory","exploit","Exploit","Mitigation","Vendor Advisory","advisory"]},{"url":"https://github.com/wazuh/wazuh/pull/35833","tags":["patch","Issue Tracking","Patch","fix"]},{"url":"https://www.vulncheck.com/advisories/wazuh-path-traversal-dos-via-agent-enrollment","tags":["third-party-advisory","Third Party Advisory","advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74038.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74038","tags":["advisory"]},{"url":"https://github.com/wazuh/wazuh","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-74038","title":"Wazuh 4.0.0 \u003c 4.14.6 Path Traversal DoS via Agent Enrollment","description":"Wazuh 4.0.0 before 4.14.6 contains a path traversal vulnerability that allows unauthenticated remote attackers to cause denial of service by enrolling an agent with a dot-sequence name such as \"..\" through the enrollment port. Attackers exploit insufficient validation in OS_IsValidName() and unsafe path concatenation in delete_diff() to resolve the traversal to the parent queue directory, causing its subdirectories to be removed and stopping all Wazuh services requiring manual recovery.","status":"published","published":"2026-08-18T17:25:08.465Z","modified":"2026-10-01T15:20:44.322Z","cvss":[{"version":"4.0","score":7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:20:03.4818Z"}],"euvd":[{"id":"EUVD-2026-61074","description":"Wazuh 4.0.0 before 4.14.6 contains a path traversal vulnerability that allows unauthenticated remote attackers to cause denial of service by enrolling an agent with a dot-sequence name such as \"..\" through the enrollment port. Attackers exploit insufficient validation in OS_IsValidName() and unsafe path concatenation in delete_diff() to resolve the traversal to the parent queue directory, causing its subdirectories to be removed and stopping all Wazuh services requiring manual recovery.","status":"published","published":"2026-08-18T17:25:08Z","modified":"2026-10-01T15:20:44Z","cvss":[{"version":"4.0","score":7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T17:27:45.017929Z"}],"nvd":[{"id":"CVE-2026-74038","description":"Wazuh 4.0.0 before 4.14.6 contains a path traversal vulnerability that allows unauthenticated remote attackers to cause denial of service by enrolling an agent with a dot-sequence name such as \"..\" through the enrollment port. Attackers exploit insufficient validation in OS_IsValidName() and unsafe path concatenation in delete_diff() to resolve the traversal to the parent queue directory, causing its subdirectories to be removed and stopping all Wazuh services requiring manual recovery.","status":"published","published":"2026-08-18T18:19:33.61Z","modified":"2026-10-22T22:10:00.25Z","cvss":[{"version":"4.0","score":7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:12:38.976695Z"}],"osv":[{"id":"CVE-2026-74038","title":"Wazuh 4.0.0 \u003c 4.14.6 Path Traversal DoS via Agent Enrollment","description":"Wazuh 4.0.0 before 4.14.6 contains a path traversal vulnerability that allows unauthenticated remote attackers to cause denial of service by enrolling an agent with a dot-sequence name such as \"..\" through the enrollment port. Attackers exploit insufficient validation in OS_IsValidName() and unsafe path concatenation in delete_diff() to resolve the traversal to the parent queue directory, causing its subdirectories to be removed and stopping all Wazuh services requiring manual recovery.","status":"published","published":"2026-08-18T17:25:08.465Z","modified":"2026-10-28T02:30:27.39008688Z","cvss":[{"version":"4.0","score":7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T15:45:16.365946Z"}]}}