{"cve":"CVE-2026-50645","nvd":{"published":"2026-06-12T10:16:23.533","modified":"2026-10-26T11:10:00.157","status":"Modified","description":"There is no restriction on the amount of attachment headers that a message can contain when being deserialized by Apache CXF, which can lead to uncontrolled resource consumption or a denial of service attack. Users are recommended to upgrade to versions 4.2.2 or 4.1.7 or 3.6.12, which fix this issue by imposing a maximum default of 500 attachments per message.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-400"],"references":["https://lists.apache.org/thread/24zb7cqcvykhwm0j797dmdq25s61mj93","http://www.openwall.com/lists/oss-security/2026/06/11/12"],"products":["apache:cxf"],"source":"nvd","synced_at":"2026-10-26T11:33:08.859761529+00:00"},"epss":{"cve":"CVE-2026-50645","score":0.00459,"percentile":0.39519,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-ghvc-7hp8-2g2v","url":"https://osv.dev/vulnerability/GHSA-ghvc-7hp8-2g2v","summary":"Apache cxf-core: No restriction on attachment headers per message","modified":"2026-09-10T03:50:49.790041713Z","packages":[{"ecosystem":"Maven","name":"org.apache.cxf:cxf-core","purl":"pkg:maven/org.apache.cxf/cxf-core","ranges":[">=4.2.0 <4.2.2"],"fixed":["4.2.2"]},{"ecosystem":"Maven","name":"org.apache.cxf:cxf-core","purl":"pkg:maven/org.apache.cxf/cxf-core","ranges":[">=4.0.0 <4.1.7"],"fixed":["4.1.7"]},{"ecosystem":"Maven","name":"org.apache.cxf:cxf-core","purl":"pkg:maven/org.apache.cxf/cxf-core","ranges":["<3.6.12"],"fixed":["3.6.12"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}