Unknown [CVE-2026-54225] Apache CXF allows to control the maximum attachment size via the "attachment-max-size"
This security Apache Software Foundation advisory covers CVE-2026-54225 affecting Apache CXF.
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Summary
Apache CXF allows to control the maximum attachment size via the "attachment-max-size". Prior to Apache CXF 4.2.3 and 4.1.8 and 3.6.12, there was no default placed on this size, meaning that a denial of service attack is possible if the user doesn't explicitly set the limit.
Users should update to Apache CXF 4.2.3 or 4.1.8 or 3.6.12 which fixes this problem by imposing a default attachment size limit of 50mb.
- Apache CXF 4.2.0 before 4.2.3
- Apache CXF 4.0.0 before 4.1.8
- Apache CXF before 3.6.12
Official advisory · medium-confidence parse· fetched 1 hour ago·verify at source
- 4.2.3
- 4.1.8
- 3.6.12
Official advisory · medium-confidence parse· fetched 1 hour ago·verify at source
Mitigation checklist
- Prior to Apache CXF 4.2.3 and 4.1.8 and 3.6.12, there was no default placed on this size, meaning that a denial of service attack is possible if the user doesn't explicitly set the limit.
- Users should update to Apache CXF 4.2.3 or 4.1.8 or 3.6.12 which fixes this problem by imposing a default attachment size limit of 50mb.
Official advisory · medium-confidence parse· fetched 1 hour ago·verify at source
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