Authorization Code Reusability Vulnerability in Apache CXF
CVE-2026-68079

9.8CRITICAL

Key Information:

Vendor

Apache
Status
Apache Cxf
Vendor
CVE Published:
6 August 2026

What is CVE-2026-68079?

A vulnerability in Apache CXF's DefaultEncryptingCodeDataProvider allows compromised authorization codes to be reused indefinitely. This breach of standard protocols compromises the integrity of authorization processes, as the specification mandates that authorization codes must be single-use. Users are urged to update to versions 4.2.3, 4.1.8, or 3.6.12 to mitigate this security risk.

Affected Version(s)

Apache CXF 4.2.0 < 4.2.3

Apache CXF 4.0.0 < 4.1.8

Apache CXF 0 < 3.6.12

References

https://lists.apache.org/thread/6m06gdqz4rxhy9g90qz9lyqx2...
vendor-advisory

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Guanping Zhang reported this vulnerability
.