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NVD Vulnerability Details :

CVE-2026-50630

Analyzed

Source-security@apache.org

Published At-12 Jun, 2026 | 10:16

Updated At-12 Jun, 2026 | 19:04

A CRLF injection vulnerability exists in the OAuth2 AuthorizationUtils class. When constructing the WWW-Authenticate response header, the 'realm' parameter is concatenated without sanitizing Carriage Return (CR) and Line Feed (LF) characters. If an attacker can control the realm value, they can inject arbitrary HTTP headers or split the HTTP response entirely. Users are recommended to upgrade to versions 4.2.2 or 4.1.7, which fixes this issue.

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Secondary	3.1	6.5	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Type: Secondary

Version: 3.1

Base score: 6.5

Base severity: MEDIUM

Vector:

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

CPE Matches

The Apache Software Foundation

>>cxf>>Versions before 4.1.7(exclusive)

cpe:2.3:a:apache:cxf:*:*:*:*:*:*:*:*

The Apache Software Foundation

>>cxf>>Versions from 4.2.0(inclusive) to 4.2.2(exclusive)

cpe:2.3:a:apache:cxf:*:*:*:*:*:*:*:*

Weaknesses

CWE ID	Type	Source
CWE-113	Secondary	security@apache.org

CWE ID: CWE-113

Type: Secondary

Source: security@apache.org

References

Hyperlink	Source	Resource
https://lists.apache.org/thread/bt7vnjzzkpd6vdhkxv103poor1jy5trm	security@apache.org	Vendor Advisory
http://www.openwall.com/lists/oss-security/2026/06/11/7	af854a3a-2127-422b-91ae-364da2661108	Mailing List Third Party Advisory

Hyperlink: https://lists.apache.org/thread/bt7vnjzzkpd6vdhkxv103poor1jy5trm

Source: security@apache.org

Resource:

Vendor Advisory

Hyperlink: http://www.openwall.com/lists/oss-security/2026/06/11/7

Source: af854a3a-2127-422b-91ae-364da2661108

Resource:

Mailing List

Third Party Advisory

CISA Catalog

Metrics

CPE Matches

Weaknesses

Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References

Change History