{"id":"CVE-2026-73179","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-73179","generatedAt":"2026-10-28T02:21:11.561Z","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 concurrent token…","description":"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 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.","published":"2026-10-09T11:17:03.000Z","lastModified":"2026-10-20T12:44:12.000Z","status":"Analyzed","sourceIdentifier":"security@apache.org","cvss":{"version":"3.1","score":8.1,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-367"],"affected":["apache/cxf"],"epss":{"score":0.00402,"percentile":0.34187,"date":"2026-10-26","history":[{"date":"2026-10-10","score":0.00217,"percentile":0.11165}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.40%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"scored","label":"Newly scored","at":"2026-10-15T18:30:14.000Z","detail":{"from":null,"score":"8.1","severity":"HIGH","fromSeverity":null},"summary":"Now scored CVSS 8.1 HIGH."},{"kind":"new","label":"New CVE","at":"2026-10-09T11:17:03.000Z","detail":{"score":null,"severity":null,"publishedAt":"2026-10-09T11:17:02.817Z"},"summary":"New CVE, high severity (CVSS 8.1)."}],"references":[{"url":"https://lists.apache.org/thread.html/6msbm601o6ogfgdzdbtbrmgspmz50nxk","tags":["Issue Tracking","Vendor Advisory"],"source":"security@apache.org"},{"url":"http://www.openwall.com/lists/oss-security/2026/10/09/5","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-73179","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}