{"cve":"CVE-2026-50629","nvd":{"published":"2026-06-12T10:16:22.830","modified":"2026-10-26T11:10:00.157","status":"Modified","description":"The 'clientId' parameter from incoming HTTP requests is directly concatenated into OAuth2 server log warning messages without sanitizing control characters. This allows an attacker to inject arbitrary content, including fake log entries, into the server's log files. Users are recommended to upgrade to versions 4.2.2 or 4.1.7 or 3.6.12, which fixes this issue.","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:L/A:N","score":5.3},"cwes":["CWE-93"],"references":["https://lists.apache.org/thread/xw95po30p8th58ms1no6b0f2375cql00","http://www.openwall.com/lists/oss-security/2026/06/11/6"],"products":["apache:cxf"],"source":"nvd","synced_at":"2026-10-26T11:33:08.859761529+00:00"},"epss":{"cve":"CVE-2026-50629","score":0.00437,"percentile":0.37669,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-f8p7-h97q-7vx7","url":"https://osv.dev/vulnerability/GHSA-f8p7-h97q-7vx7","summary":"Apache CXF OAuth2 Log Injection via Unsanitized Client Identifier","modified":"2026-08-20T18:48:08.701423Z","packages":[{"ecosystem":"Maven","name":"org.apache.cxf:cxf-rt-rs-security-oauth2","purl":"pkg:maven/org.apache.cxf/cxf-rt-rs-security-oauth2","ranges":[">=4.2.0 <4.2.2"],"fixed":["4.2.2"]},{"ecosystem":"Maven","name":"org.apache.cxf:cxf-rt-rs-security-oauth2","purl":"pkg:maven/org.apache.cxf/cxf-rt-rs-security-oauth2","ranges":["<4.1.7"],"fixed":["4.1.7"]}]}],"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."]}