CVE-2026-50631

highpriority · track · 0EPSS 0.003 · 22 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.29% (22nd) EPSS

CVSS 7.4 · high

Is it mine?

27 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cert_bund · osv

EPSS · scored 2026-10-27

A race condition in AbstractOAuthDataProvider allows concurrent requests using the same Refresh Token to bypass single-use semantics and generate multiple valid Access Tokens, when 'recycleRefreshTokens' is set to false. A leaked refresh token can be replayed concurrently by multiple attackers or threads. Users are recommended to upgrade to versions 4.2.2 or 4.1.7 or 3.6.12, which fixes this issue.

cvss

Technical severity, 0–10. One row per scoring source.

7.4

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.8–7.4

v3.17.4highCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Nsecondary · ENISA EU

v3.17.4highCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Nsecondaryexploitability 2.2 · impact 5.2

v3.17.4highCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Nsecondary · OSV

v3.16.8mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-367USCWE-367US

affected products (27)

Products and version ranges known to be affected.

IBM Business Automation Workflowall versionscert_bundDEcpe:/a:ibm:business_automation_workflow:-
IBM MQ Operatorall versionscert_bundDEcpe:/a:ibm:mq:operator
IBM QRadar SIEMall versionscert_bundDEcpe:/a:ibm:qradar_siem:-
IBM Rational ClearQuestall versionscert_bundDEcpe:/a:ibm:rational_clearquest:-
IBM SPSS Analytic Serverall versionscert_bundDEcpe:/a:ibm:spss:analytic_server
IBM Security Verify Accessall versionscert_bundDEcpe:/a:ibm:security_verify_access:-
IBM Tivoli Network Managerall versionscert_bundDEcpe:/a:ibm:tivoli_network_manager:ip_edition
IBM WebSphere Application Serverall versionscert_bundDEcpe:/a:ibm:websphere_application_server:-
IBM WebSphere Application Server Libertyall versionscert_bundDEcpe:/a:ibm:websphere_application_server_liberty:-
IBM WebSphere Application Server Liberty 17.0.0.3-26.0.0.9all versionscert_bundDEcpe:/a:ibm:websphere_application_server_liberty:17.0.0.3_-_26.0.0.9
IBM WebSphere Application Server libertyall versionscert_bundDEcpe:/a:ibm:websphere_application_server:liberty
IBM WebSphere Service Registry and Repositoryall versionscert_bundDEcpe:/a:ibm:websphere_service_registry_and_repository:-
IBM WebSphere Service Registry and Repository 8.5all versionscert_bundDEcpe:/a:ibm:websphere_service_registry_and_repository:8.5
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
Apache Apache CXF <4.1.7< 4.1.7cert_bundDE
Apache Apache CXF <4.2.2< 4.2.2cert_bundDE
Apache CXF< 4.1.7cert_bundDE
Apache CXF< 4.2.2cert_bundDE
RealObjects PDFreactor< 12.6.1cert_bundDE
RealObjects RealObjects PDFreactor <12.6.1< 12.6.1cert_bundDE

showing 20 of 27

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-1895Apache CXF: Mehrere SchwachstellenDeutsch2026-06-11csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in Apache CXF ausnutzen, um Sicherheitsvorkehrungen zu umgehen, XML-External-Entity-Angriffe durchzuführen, Daten zu manipulieren oder vertrauliche Informationen offenzulegen.
GHSA-83r6-96m8-r52pApache CXF OAuth2 TOCTOU Race Condition in Refresh Token Processing2026-06-12ghsa · osvUS
A race condition in AbstractOAuthDataProvider allows concurrent requests using the same Refresh Token to bypass single-use semantics and generate multiple valid Access Tokens, when 'recycleRefreshTokens' is set to false. A leaked refresh token can be replayed concurrently by multiple attackers or threads. Users are recommended to upgrade to versions 4.2.2 or 4.1.7, which fixes this issue.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund osv NVD CVE.org MITRE

published 2026-06-12modified 2026-10-26

references (6)

External citations — patches, advisories, analysis.

scry

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