Apache CXF up to 4.1.6/4.2.1 OAuth2 access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Apache CXF up to 4.1.6/4.2.1. This affects an unknown function of the component OAuth2. Such manipulation leads to access control. This vulnerability is documented as CVE-2026-50627. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Apache CXF up to 4.1.6/4.2.1. It has been rated as critical. Affected by this issue is an unknown code block of the component OAuth2. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability.

The advisory is available at lists.apache.org. This vulnerability is handled as CVE-2026-50627. The exploitation is known to be easy. The attack may be launched remotely. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 06/13/2026). This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

Upgrading to version 4.1.7 or 4.2.2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2026-1895). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

  • Apache CXF

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: CXF 4.1.7/4.2.2

Timelineinfo

06/11/2026 Advisory disclosed
06/11/2026 +0 days VulDB entry created
06/13/2026 +1 days VulDB entry last update

Sourcesinfo

Vendor: apache.org

Advisory: lists.apache.org
Status: Confirmed

CVE: CVE-2026-50627 (🔒)
GCVE (CVE): GCVE-0-2026-50627
GCVE (VulDB): GCVE-100-370466
CERT Bund: WID-SEC-2026-1895 - Apache CXF: Mehrere Schwachstellen

Entryinfo

Created: 06/11/2026 22:48
Updated: 06/13/2026 01:35
Changes: 06/11/2026 22:48 (53), 06/13/2026 01:35 (7)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion

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