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CVE-2026-50629 The 'clientId' parameter from incoming HTTP requests is directly concatenated into OAuth2 server log warning messages…

Description

The 'clientId' parameter from incoming HTTP requests is directly concatenated into OAuth2 server log warning messages without sanitizing control characters. This allows an attacker to inject arbitrary content, including fake log entries, into the server's log files. Users are recommended to upgrade to versions 4.2.2 or 4.1.7 or 3.6.12, which fixes this issue.

Affected products and versions

Product Affected versions Fixed in
Apache CXF 4.2 4.2.0 → < 4.2.2 4.2.2
Apache CXF 4.0 4.0.0 → < 4.1.7 4.1.7
Apache CXF 3.6 earliest → < 3.6.12 3.6.12

References

Timeline

  1. Published
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