high7.5
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 re…
Impact
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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| maven | org.apache.cxf:cxf-core | >= 4.2.0, < 4.2.2 | 4.2.2 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Apache | Cxf | before 4.1.7 from 4.2.0 before 4.2.2 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-ghvc-7hp8-2g2v
- https://nvd.nist.gov/vuln/detail/CVE-2026-50645
- https://lists.apache.org/thread/24zb7cqcvykhwm0j797dmdq25s61mj93
- http://www.openwall.com/lists/oss-security/2026/06/11/12
- https://cxf.apache.org/security-advisories.data/CVE-2026-50645.txt