CVE catalog
CVE-2026-50645
There is no restriction on the amount of attachment headers that a message can contain when being deserialized by Apache CXF, which can lead to uncontrolled resource consumption or a denial of service
- Severity
- High · CVSS 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.46% · Oct 25, 2026
There is no restriction on the amount of attachment headers that a message can contain when being deserialized by Apache CXF, which can lead to uncontrolled resource consumption or a denial of service attack. Users are recommended to upgrade to versions 4.2.2 or 4.1.7 or 3.6.12, which fix this issue by imposing a maximum default of 500 attachments per message.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Cpe | cxf | Not reported | 4.1.7 | fixed |
| Cpe | cxf | Not reported | 4.2.2 | fixed |
| Cpe | cxf | Not reported | 4.2.2 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Cpe | cxf | cpe | Not reported | 4.1.7 | Not reported | Not reported | Not reported |
| Cpe | cxf | cpe | Not reported | 4.2.2 | Not reported | Not reported | Not reported |
| Cpe | cxf | cpe | Not reported | 4.2.2 | Not reported | NVD-CVE-2026-50645 | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed:
References
- [http://www.openwall.com/lists/oss-security/2026/06/11/12]
- [https://lists.apache.org/thread/24zb7cqcvykhwm0j797dmdq25s61mj93]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-50645]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2606.json]
[CERT-Bund public advisories] · [FIRST EPSS] · [National Vulnerability Database (NVD)]