{"id":"CVE-2026-64958","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-64958","summary":"Apache CXF: Denial of service via message header attachments","details":"An incomplete fix for CVE-2026-50645 means that it is still possible to perform a denial of service attack on Apache CXF by sending a message with many attachment headers. Users are recommended to upgrade to versions 4.2.3 or 4.1.8 or 3.6.12, which fix this issue.","published":"2026-08-06T10:13:04.069Z","modified":"2026-08-12T03:51:26.282165148Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":{"score":0.00406,"percentile":0.34461,"asOf":"2026-09-17"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://repo.maven.apache.org/maven2"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64958.json"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/trsnkxc2f21585zlt819blvchgl6oykb"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64958"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:26.282165148Z"}}