CVE-2026-68079 Apache CXF: DefaultEncryptingCodeDataProvider allows unlimited authorization code replay
Attackers can replay captured authorization codes unlimited times to gain unauthorized access due to flawed code removal logic in Apache CXF.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-68079?
CVE-2026-68079 is a critical vulnerability in Apache Cxf, published on 6 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-294
Which versions are affected by CVE-2026-68079?
It affects 1 product.
Products include Apache Cxf.
How do I fix CVE-2026-68079?
Upgrade to a fixed version.
Is CVE-2026-68079 being exploited?
There is no known exploitation of CVE-2026-68079 in the wild and no public exploit code.
Other vulnerabilities in Apache Cxf
- CVE-2012-2379 XML Signature/Encryption Not Validated in Apache CXF
- CVE-2026-66909 Apache CXF: Unsafe deserialization of inbound JMS ObjectMessage
- CVE-2026-50628 Apache CXF: OAuth2: Inverted IP Binding Check Defeats Security Control
- CVE-2025-48913 Apache CXF: Untrusted JMS configuration can lead to RCE
- CVE-2022-46364 Apache CXF SSRF Vulnerability
Sources
Also known as GHSA-7mxw-qv85-693m.