Vuln Signal Radar
public-safe defensive signal
HIGHpublic-safe

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

CVSS
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

明示タグなし

Urgency reasons

CVSS HIGHaffected product presentvendor advisory presentrecent updateremediation reference present

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.

Official references