CVE-2026-64958
published 2026-08-06CVE-2026-64958: 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…
PriorityP340high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
0.66%
51.1th percentile
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.
Affected
7 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apache | cxf | < 3.6.12 | 3.6.12 |
| apache | cxf | — | — |
| apache | cxf | >= 4.0.0 < 4.1.8 | 4.1.8 |
| apache | cxf | >= 4.2.0 < 4.2.3 | 4.2.3 |
| jboss-eap-7 | eap74-els-openjdk11-openshift-rhel8 | — | — |
| jboss-eap-7 | eap74-els-openjdk17-openshift-rhel8 | — | — |
| jboss-eap-7 | eap74-els-openjdk8-openshift-rhel8 | — | — |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
vendor_redhat7.5HIGH
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Red Hat
org.apache.cxf/cxf: Apache CXF: Denial of service via many attachment headers
vendor_redhat·2026-08-06·CVSS 7.5
CVE-2026-64958 [HIGH] CWE-770 org.apache.cxf/cxf: Apache CXF: Denial of service via many attachment headers
org.apache.cxf/cxf: Apache CXF: Denial of service via many attachment headers
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.
A flaw was found in Apache CXF. This vulnerability allows a remote attacker to perform a denial of service (DoS) attack by sending a message with an excessive number of attachment headers. This can lead to the affected system becoming unresponsive or unavailable.
Package: cxf-core (Red Hat build of Apache Camel 4 for Quarkus 3) - Under investigation
Package: cxf-integration-tracing-opentelemetry (Red Hat build of Apache Camel 4 for Quarkus 3) - Unde
GHSA
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.
ghsa_unreviewed·2026-08-06·CVSS 7.5
CVE-2026-64958 [HIGH] CWE-400 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.
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.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-08-06
Published