CVE-2026-50645 — Apache CXF: No restriction on attachment headers per message
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…
Published: 2026-06-12 · CVSS: 7.5 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7