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CVE-2026-57819— Apache CXF: No default restriction on the amount of form parameters per message

AI Predicted 7.5 Difficulty: Easy EPSS 0.47% · P38

Possible ATT&CK Techniques 1AI

T1496 · Resource Hijacking

Affected Version Matrix 3

VendorProductVersion RangeStatus
Apache Software FoundationApache CXF4.2.0< 4.2.3affected
4.0.0< 4.1.8affected
< 3.6.12affected
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I. Basic Information for CVE-2026-57819

Vulnerability Information

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Vulnerability Title
Apache CXF: No default restriction on the amount of form parameters per message
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5

Affected Products

VendorProductAffected VersionsCPESubscribe
Apache Software FoundationApache CXF 4.2.0 ~ 4.2.3 -

II. Public POCs for CVE-2026-57819

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III. Intelligence Information for CVE-2026-57819

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Mailing List Discussions for CVE-2026-57819 (1)

Same Patch Batch · Apache Software Foundation · 2026-08-06 · 18 CVEs total

CVE-2026-646405.3 MEDIUMApache Polaris: register endpoint reads attacker-controlled storage location before allowe
CVE-2026-65583Apache CXF: Self-issued ID token claims validation skipped
CVE-2025-49506Apache Portable Runtime Utility: apr_password_validate() vulnerable to timing attack
CVE-2026-32327Apache Portable Runtime Utility: apr-util XML stack recursion crash
CVE-2026-34191Apache Portable Runtime Utility: SQL Injection in apr_dbd_oracle
CVE-2026-34501Apache Portable Runtime Utility: Heap buffer overflow in APR redis client
CVE-2026-34502Apache Portable Runtime Utility: Heap buffer overflow in APR memcached client
CVE-2026-57818Apache CXF: OAuth2 Authorization Code Replay via TOCTOU in JCacheCodeDataProvider
CVE-2026-61466Apache CXF: OAuth2 Dynamic Client Registration Scope Self-Escalation
CVE-2026-63687Apache CXF: JwtRequestCodeFilter silently overrides outer PKCE and nonce parameters
CVE-2026-68079Apache CXF: DefaultEncryptingCodeDataProvider allows unlimited authorization code replay
CVE-2026-68481Apache CXF: Revocation bypass in DefaultEncryptingOAuthDataProvider
CVE-2026-65432Apache CXF: XXE via WSDL/XSD import parsing
CVE-2026-57817Apache CXF: The authorization code hash (c_hash) is not enforced for the hybrid OIDC flow
CVE-2026-66909Apache CXF: Unsafe deserialization of inbound JMS ObjectMessage
CVE-2026-64958Apache CXF: Denial of service via message header attachments
CVE-2026-54225Apache CXF: Denial of Service attack via large attachments

IV. Related Vulnerabilities

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