CVE-2026-68079 | BDVDB-2026-356128 Detail

ApacheApache CXF

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.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.

Weaknesses#

CWE-294 Authentication Bypass by Capture-replay

References#

Exploit#

No public exploit known

History#

Version 12026-08-06Record published in the CVE List.
Version 22026-08-07Most recent update recorded in the CVE List.

Published

Published: 2026-08-06
Last modified: 2026-08-07

Vendor information

Vendor: Apache
Product: Apache CXF

All Apache vulnerabilities

Score

9.8 Critical

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 52.8.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Authentication Issues

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 4.2.0 and < 4.2.3
Fixed
4.2.3
Vulnerable
>= 4.0.0 and < 4.1.8
Fixed
4.1.8
Vulnerable
< 3.6.12
Fixed
3.6.12

Scoring System

CVSS v4.0

Not available

CVSS v3.1

9.8 Critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).