CVE-2026-65583— Apache CXF: Self-issued ID token claims validation skipped
Quick assessment
Affected
Apache Software Foundation Apache CXF
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Apache CXF 的 OpenID Connect (OIDC) 依赖方令牌验证功能在默认情况下未强制执行必要的声明检查（如签发者/主体/受众/时间以及 sub_jwk 绑定），从而可能接受自签发的 ID 令牌，导致攻击者通过构造恶意令牌实现身份认证绕过。但请注意，Apache CXF 的验证器默认并不接受自签发的 ID 令牌。建议用户升级至修复该问题的版本，包括 4.2.3、4.1.8 或 3.6.12 版本。
Possible ATT&CK Techniques 1 AI
T1199 · Trusted RelationshipAffected Version Matrix 3
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Apache Software Foundation | Apache CXF | 4.2.0< 4.2.3 |
affected |
4.0.0< 4.1.8 |
affected | ||
< 3.6.12 |
affected |
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I. Basic Information for CVE-2026-65583
Vulnerability Information
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Vulnerability Title
Apache CXF: Self-issued ID token claims validation skipped
Source: CVE Program / CVE List V5
Vulnerability Description
Apache CXF’s OIDC relying-party token validation could accept self-issued ID tokens without enforcing required claim checks (issuer/subject/audience/time and sub_jwk binding), enabling authentication bypass with crafted tokens. However, note that self-issued ID tokens are not accepted by default in the validator. Users are recommended to upgrade to versions 4.2.3 or 4.1.8 or 3.6.12, which fixes this issue.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
对数据真实性的验证不充分
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Apache Software Foundation | Apache CXF | 4.2.0 ~ 4.2.3 | - |
|
II. Public POCs for CVE-2026-65583
| # | POC Description | Source Link | Shenlong Link |
|---|
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Mailing List Discussions for CVE-2026-65583 (1)
Same Patch Batch · Apache Software Foundation · 2026-08-06 · 18 CVEs total
| CVE-2026-64640 | 5.3 MEDIUM | Apache Polaris: register endpoint reads attacker-controlled storage location before allowe |
| CVE-2026-68079 | Apache CXF: DefaultEncryptingCodeDataProvider allows unlimited authorization code replay | |
| CVE-2025-49506 | Apache Portable Runtime Utility: apr_password_validate() vulnerable to timing attack | |
| CVE-2026-32327 | Apache Portable Runtime Utility: apr-util XML stack recursion crash | |
| CVE-2026-34191 | Apache Portable Runtime Utility: SQL Injection in apr_dbd_oracle | |
| CVE-2026-34501 | Apache Portable Runtime Utility: Heap buffer overflow in APR redis client | |
| CVE-2026-34502 | Apache Portable Runtime Utility: Heap buffer overflow in APR memcached client | |
| CVE-2026-57818 | Apache CXF: OAuth2 Authorization Code Replay via TOCTOU in JCacheCodeDataProvider | |
| CVE-2026-61466 | Apache CXF: OAuth2 Dynamic Client Registration Scope Self-Escalation | |
| CVE-2026-63687 | Apache CXF: JwtRequestCodeFilter silently overrides outer PKCE and nonce parameters | |
| CVE-2026-68481 | Apache CXF: Revocation bypass in DefaultEncryptingOAuthDataProvider | |
| CVE-2026-65432 | Apache CXF: XXE via WSDL/XSD import parsing | |
| CVE-2026-57817 | Apache CXF: The authorization code hash (c_hash) is not enforced for the hybrid OIDC flow | |
| CVE-2026-66909 | Apache CXF: Unsafe deserialization of inbound JMS ObjectMessage | |
| CVE-2026-64958 | Apache CXF: Denial of service via message header attachments | |
| CVE-2026-57819 | Apache CXF: No default restriction on the amount of form parameters per message | |
| CVE-2026-54225 | Apache CXF: Denial of Service attack via large attachments |
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