CVE-2026-57818

Apache CXF: OAuth2 Authorization Code Replay via TOCTOU in JCacheCodeDataProvider

Published Aug 6, 2026 CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed
Description
A race condition in JCacheCodeDataProvider allows an attacker to redeem a single authorization code multiple times via concurrent requests, resulting in the issuance of multiple distinct, valid access tokens. Users are recommended to upgrade to versions 4.2.3, 4.1.8 or 3.6.12, which fix this issue.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Apache
Apache cxf
Vendors & Products Apache
Apache cxf
Type Values Removed Values Added
Description A race condition in JCacheCodeDataProvider allows an attacker to redeem a single authorization code multiple times via concurrent requests, resulting in the issuance of multiple distinct, valid access tokens. Users are recommended to upgrade to versions 4.2.3, 4.1.8 or 3.6.12, which fix this issue.
Title Apache CXF: OAuth2 Authorization Code Replay via TOCTOU in JCacheCodeDataProvider
Weaknesses CWE-367
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
apache
Published
Updated
Aug 7, 2026, 12:01 AM
Reserved
Jun 25, 2026, 10:17 AM
Status
Modified
Published
Aug 6, 2026, 12:16 PM
Modified
Oct 24, 2026, 4:10 PM
Severity
Moderate
Public date
Aug 6, 2026, 11:24 AM