CVE-2026-57819Apache CXF: No default restriction on the amount of form parameters per message
Updated under an hour ago ()
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It affects Apache Software Foundation Apache CXF and 1 other product. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Free account, 1 product
Apache CXF allows to set a limit on the number of form parameters in a JAX-RS message via the "maxFormParameterCount" configuration option. However, no default limit is set which may lead to denial of service attacks when processing requests with very large numbers of form parameters. Users are recommended to upgrade to versions 4.2.3 or 4.1.8 or 3.6.12, which fix this issue by using a default limit of 500 parameters.
- CVSS
- 7.5 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-400
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- apache
- NVD analysis
- Modified
- Record last updated
- Aug 7, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Apache Software Foundation Apache CXF apache_software_foundation:apache_cxf (from the name) | from 4.2.0 before 4.2.3; from 4.0.0 before 4.1.8; before 3.6.12 | CNA record |
apache cxf apache:cxf | before 3.6.12; from 4.0.0 before 4.1.8; from 4.2.0 before 4.2.3 | NVD |
References
- https://lists.apache.org/thread/2n14mk01bjc3lrsyhzrkwy8h86289movvendor-advisory, mailing-list
- http://www.openwall.com/lists/oss-security/2026/08/06/15
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.