CVE-2026-57818
NVD: 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. NVD: Users are recommended to upgrade to versions 4.2.3, 4.1.8 or 3.6.12, which fix this issue. OSV: Apache CXF: OAuth2 Authorization Code Replay via TOCTOU in JCacheCodeDataProvider
8.1 Severity
HIGH EPSS
0.0034 (27) KEV
-
Source-published summary
NVD: 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. NVD: Users are recommended to upgrade to versions 4.2.3, 4.1.8 or 3.6.12, which fix this issue. OSV: Apache CXF: OAuth2 Authorization Code Replay via TOCTOU in JCacheCodeDataProvider
Possible impact
This high severity issue needs human triage to confirm exposure, affected versions, and vendor guidance for high severity review.
Affected context
vendor/product: apache / cxf
Remediation / advisory
Patch confirmed by source text; fixed version context: versions.
Why it matters
This high severity issue needs human triage to confirm exposure, affected versions, and vendor guidance for high severity review.; CVSS 8.1 (HIGH); EPSS percentile 27; not listed in KEV; Patch confirmed by source text; fixed version context: versions; sources: NVD, OSV, Vendor Advisory.
What to verify
Confirm affected product/version, vendor advisory, patch or mitigation, and exposure.
Exposure hint
exposure unknown
Impact tags
Urgency reasons
Source-derived note
Summary derived from NVD / OSV / Vendor Advisory description; unsafe procedural detail is not shown.
Redaction metadata
- source summary used
- True
- fallback summary used
- False
- unsafe procedural detail present
- false
- raw source displayed
- false
- public summary redacted
- true
Remediation handoff
Public-safe static handoff for human/Codex remediation planning. Scan, patch, external execution, and auto remediation are disabled.
Safety note
This radar shows source-published defensive context only. Exploit procedures, exploit strings, scanner commands, and auto-remediation are not provided.