# CVE-2026-68079

## Summary

- **CVE ID:** CVE-2026-68079
- **Severity:** CRITICAL
- **CVSS Score:** 9.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
- **CWE:** CWE-294
- **Published:** Aug 6, 2026
- **Last Modified:** Aug 7, 2026

## Description

In Apache CXF's DefaultEncryptingCodeDataProvider, a captured authorization code can be redeemed an unlimited number of times due to a flaw in the implementation of the removeCodeGrant functionality. This violates the RFC requirement that "The authorization code MUST NOT be used more than once." Users are recommended to upgrade to versions 4.2.3 or 4.1.8 or 3.6.12, which fix this issue.

## Affected Products

- Apache Software Foundation — Apache CXF (4.2.0)
- Apache Software Foundation — Apache CXF (4.0.0)
- Apache Software Foundation — Apache CXF (0)

## References

- [CNA](https://lists.apache.org/thread/6m06gdqz4rxhy9g90qz9lyqx2gqmf13o)
- [CVE](http://www.openwall.com/lists/oss-security/2026/08/06/24)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.40%
- **EPSS Percentile:** 33.0

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._