CVE-2026-68079: Apache CXF · Authentication Bypass by Capture-replay
Affects Apache CXFSource CVE Database V5
Not known to be exploited · CVSS 9.8 Critical · fixed in 4.2.3 : patch Apache CXF as a priority.
Data as of 5 Nov 2026, 00:01 UTC
- EPSS
- 0.6% chance of exploitation in 30 days – higher than 52% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 4.2.3, 4.1.8, 3.6.12
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 6 Aug 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 5 Nov 2026.
What to do
Upgrade Apache to 4.2.3, 4.1.8 or 3.6.12.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Apache Software FoundationApache CXF | Affected
| Fixed in
|
| Apache Software FoundationApache CXF | Affected
| Fixed in
|
| Apache Software FoundationApache CXF | Affected
| Fixed in
|
MavenApache Software Foundation/org.apache.cxf:cxf-rt-rs-security-oauth2pkg:maven/Apache Software Foundation/org.apache.cxf:cxf-rt-rs-security-oauth2Other threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Users are strongly advised to upgrade Apache CXF to versions 4.2.3, 4.1.8, or 3.6.12 where this issue is fixed. No other mitigation or temporary workaround is indicated. Patch status is confirmed by the vendor's recommended upgrade versions.
Description
CVE-2026-68079 is a critical authentication bypass vulnerability in Apache CXF's DefaultEncryptingCodeDataProvider. The flaw allows a captured authorization code to be redeemed multiple times, violating the RFC requirement that authorization codes must only be used once. This issue affects multiple versions of Apache CXF prior to 4.2.3, 4.1.8, and 3.6.12, which contain the fixes.