CVE-2026-64958Apache CXF: Denial of service via message header attachments
Updated under an hour ago ()
Does this affect you?
It affects Apache Software Foundation Apache CXF and 1 other product. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Free account, 1 product
An incomplete fix for CVE-2026-50645 means that it is still possible to perform a denial of service attack on Apache CXF by sending a message with many attachment headers. Users are recommended to upgrade to versions 4.2.3 or 4.1.8 or 3.6.12, which fix this issue.
- CVSS
- 7.5 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-400
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- apache
- NVD analysis
- Analyzed
- Record last updated
- Aug 6, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Apache Software Foundation Apache CXF apache_software_foundation:apache_cxf (from the name) | from 4.2.0 before 4.2.3; from 4.0.0 before 4.1.8; before 3.6.12 | CNA record |
apache cxf apache:cxf | before 3.6.12; from 4.0.0 before 4.1.8; from 4.2.0 before 4.2.3 | NVD |
References
- https://lists.apache.org/thread/trsnkxc2f21585zlt819blvchgl6oykbvendor-advisory, mailing-list
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.