{"id":"CVE-2026-73179","title":"Improper enforcement of single-use authorization code semantics in the JPA OAuth2 authorization code grant provider in Apache CXFallows a remote attacker to obtain multiple valid access tokens from a single authorization code via concurr…","summary":"Improper enforcement of single-use authorization code semantics in the JPA OAuth2 authorization code grant provider in Apache CXFallows a remote attacker to obtain multiple valid access tokens from a single authorization code via concurr…","severity":"high","cvss":8.1,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-367"],"vendor":"Apache Software Foundation","product":"org.apache.cxf:cxf-rt-rs-security-oauth2","affected":["org.apache.cxf:cxf-rt-rs-security-oauth2 >= 4.2.0 < 4.2.4","org.apache.cxf:cxf-rt-rs-security-oauth2 >= 4.0.0 < 4.1.9","org.apache.cxf:cxf-rt-rs-security-oauth2 < 3.6.13"],"published":"2026-10-09","updated":"2026-10-15","sourceUpdated":"2026-10-15T17:17:27.263","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-73179","references":[{"url":"https://lists.apache.org/thread.html/6msbm601o6ogfgdzdbtbrmgspmz50nxk","label":"security@apache.org"},{"url":"http://www.openwall.com/lists/oss-security/2026/10/09/5","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-15T16:10:17.785126Z"},"epss":0.00402,"epssPercentile":0.34255,"ingestedAt":"2026-10-09T12:53:29.300Z","slug":"CVE-2026-73179","body":"## Overview\n\nImproper enforcement of single-use authorization code semantics in the JPA OAuth2 authorization code grant provider in Apache CXFallows a remote attacker to obtain multiple valid access tokens from a single authorization code via concurrent token exchange requests that race the non-atomic find-then-delete operation against a shared relational database under READ_COMMITTED isolation. Users are recommended to upgrade to versions 4.2.4 or 4.1.9 or 3.6.13, which fixes this issue.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":45,"depthScoreParts":{"impact":44.6,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":222595,"id":"CVE-2026-73179","ts":1792084777398,"field":"cvss","old":null,"new":"8.1"},{"seq":222594,"id":"CVE-2026-73179","ts":1792084777398,"field":"severity","old":"none","new":"high"}]}