CVE-2026-50629— Apache CXF: OAuth2: Log Injection via Unsanitized Client Identifier
Possible ATT&CK Techniques 1AI
T1565.003 · Runtime Data ManipulationAffected Version Matrix 2
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Apache Software Foundation | Apache CXF | 4.2.0< 4.2.2 | affected |
< 4.1.7 | affected |
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I. Basic Information for CVE-2026-50629
Vulnerability Information
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Vulnerability Title
Apache CXF: OAuth2: Log Injection via Unsanitized Client Identifier
Source: NVD (National Vulnerability Database)
Vulnerability 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, which fixes this issue.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
对CRLF序列的转义处理不恰当(CRLF注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Apache CXF 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache cxf是美国Apache基金会开源的一个Web服务开发框架。 Apache CXF 4.1.7之前版本和4.2.0至4.2.2之前版本存在输入验证错误漏洞，该漏洞源于clientId参数未清理控制字符，可能导致攻击者注入任意内容到服务器日志文件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Apache Software Foundation | Apache CXF | 4.2.0 ~ 4.2.2 | - |
II. Public POCs for CVE-2026-50629
| # | POC Description | Source Link | Shenlong Link |
|---|
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Mailing List Discussions for CVE-2026-50629 (1)
Same Patch Batch · Apache Software Foundation · 2026-06-12 · 11 CVEs total
| CVE-2026-50645 | Apache CXF: No restriction on attachment headers per message | |
| CVE-2026-50634 | Apache CXF: WS JSON request filter trusts metadata from an unvalidated first signature ent | |
| CVE-2026-50633 | Apache CXF: JNDI Injection vulnerability in DispatchMDBMessageListenerImpl | |
| CVE-2026-50632 | Apache CXF: JNDI Injection Vulnerability in JMSConfigFactory | |
| CVE-2026-50631 | Apache CXF: OAuth2: TOCTOU Race Condition in Refresh Token Processing | |
| CVE-2026-50630 | Apache CXF: OAuth2: HTTP Response Splitting via WWW-Authenticate Realm Injection | |
| CVE-2026-50628 | Apache CXF: OAuth2: Inverted IP Binding Check Defeats Security Control | |
| CVE-2026-50627 | Apache CXF: OAuth2: Missing JWT Audience and Issuer Validation in Access Token Validator | |
| CVE-2026-49875 | Apache CXF: XML External Entity (XXE) Injection in W3CMultiSchemaFactory and EndpointRefer | |
| CVE-2026-50623 | Apache CXF: Authentication Bypass in OAuth2 TokenIntrospectionService |
IV. Related Vulnerabilities
Same product: Apache CXF
- CVE-2026-50645
Apache CXF: No restriction on attachment headers per message - CVE-2026-50634
Apache CXF: WS JSON request filter trusts metadata from an u - CVE-2026-50633
Apache CXF: JNDI Injection vulnerability in DispatchMDBMessa - CVE-2026-50632
Apache CXF: JNDI Injection Vulnerability in JMSConfigFactory - CVE-2026-50631
Apache CXF: OAuth2: TOCTOU Race Condition in Refresh Token P
Same vendor: Apache Software Foundation
- CVE-2026-49268
Apache Shiro: LDAP DN Injection in DefaultLdapRealm - CVE-2026-47340
Apache DolphinScheduler: An incorrect authorization vulnerab - CVE-2026-32967
Apache DolphinScheduler: The `/v2` experimental interface la - CVE-2026-42357
Apache DolphinScheduler: Incorrect Authorization vulnerabili - CVE-2026-41280
Apache DolphinScheduler: Incorrect Authorization vulnerabili
Same weakness: CWE-93
- CVE-2026-9679
undici vulnerable to HTTP header injection via Set-Cookie pe - CVE-2026-12143
form-data does not escape CR/LF/quote in multipart field nam - CVE-2026-50639
Metrics::Any::Adapter::SignalFx versions before 0.04 for Per - CVE-2026-50638
Metrics::Any::Adapter::DogStatsd versions before 0.04 for Pe - CVE-2026-50637
Metrics::Any::Adapter::Statsd versions before 0.04 for Perl
V. Comments for CVE-2026-50629
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