Allocation of Resources Without Limits or Throttling in Apache CXF - CVE-2026-57819

 

Allocation of Resources Without Limits or Throttling in Apache CXF - CVE-2026-57819

Published: August 24, 2026


Vulnerability identifier: #VU144823
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-57819
CWE-ID: CWE-770
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to cause a denial of service.

The vulnerability exists due to improper resource allocation in the JAX-RS form parameter processing in cxf-rt-frontend-jaxrs when handling requests with very large numbers of form parameters. A remote attacker can send a specially crafted request to cause a denial of service.


Affected software

Apache CXF
IBM Tivoli Monitoring

How to mitigate CVE-2026-57819

Install security update from vendor's website.

Apache CXF - addressed in versions 3.6.12, 4.1.8, 4.2.3
IBM Tivoli Monitoring - update to 6.3.0.7 Plus Service Pack 5

External References

Related Security Bulletins