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CVE Vulnerability Details :
CVE-2026-50629
PUBLISHED
More InfoOfficial Page
Assigner-apache
Assigner Org ID-f0158376-9dc2-43b6-827c-5f631a4d8d09
View Known Exploited Vulnerability (KEV) details
Published At-12 Jun, 2026 | 08:57
Updated At-12 Jun, 2026 | 14:47
Rejected At-
▼CVE Numbering Authority (CNA)
Apache CXF: OAuth2: Log Injection via Unsanitized Client Identifier

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.

Affected Products
Vendor
The Apache Software FoundationApache Software Foundation
Product
Apache CXF
Collection URL
https://repo.maven.apache.org/maven2
Package Name
org.apache.cxf:cxf-rt-rs-security-oauth2
Default Status
unaffected
Versions
Affected
  • From 4.2.0 before 4.2.2 (semver)
  • From 0 before 4.1.7 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-93CWE-93 Improper Neutralization of CRLF Sequences ('CRLF Injection')
Type: CWE
CWE ID: CWE-93
Description: CWE-93 Improper Neutralization of CRLF Sequences ('CRLF Injection')
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Textual description of severity
text:
low
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
finder
Guanping Zhang reported this vulnerability.
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://lists.apache.org/thread/xw95po30p8th58ms1no6b0f2375cql00
vendor-advisory
Hyperlink: https://lists.apache.org/thread/xw95po30p8th58ms1no6b0f2375cql00
Resource:
vendor-advisory
▼Authorized Data Publishers (ADP)
1. CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
http://www.openwall.com/lists/oss-security/2026/06/11/6
N/A
Hyperlink: http://www.openwall.com/lists/oss-security/2026/06/11/6
Resource: N/A
2. CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
3.15.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Version: 3.1
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found