Vulnerability CVE-2026-112201
Published Sources: BSI
What is affected, what to do
Ein Angreifer kann mehrere Schwachstellen in Keycloak ausnutzen, um Sicherheitsvorkehrungen zu umgehen, um einen Denial of Service Angriff durchzuführen und um einen Cross-Site Scripting Angriff durchzuführen. Keycloak ermöglicht Single Sign-On mit Identity and Access Management für moderne Anwendungen und Dienste.
The available sources name no fixed version. Check the vendor guidance in the references below.
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Metrics
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Priority
No value is available for this vulnerability.
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CVSS v3
No value is available for this vulnerability.
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EPSS score
No value is available for this vulnerability.
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- Severity
- Reserved
Priority (0–325)
The priority score is a consolidated metric that condenses several individual signals into a single, action-guiding ranking: technical severity (CVSS), exploitation likelihood (EPSS), known-exploited status (KEV) and the context of the affected asset. The aim is to answer the only truly important question in vulnerability management: what first?
Read in glossary- 74.32 Methodology
Exploit maturity
An exploit is code or a technique that specifically uses a concrete vulnerability to force unintended behaviour — such as executing code or escalating privileges. It is the tool that turns a theoretical flaw into a practical attack.
Read in glossary- no public PoC known
KEV status
The KEV catalogue is a list maintained by the US authority CISA of vulnerabilities for which active exploitation in the wild has been confirmed. It answers not the question „how severe?“ but „is it already being attacked?“ — thereby sharply prioritising patching.
Read in glossary- —
- Published
Detection rules
No NEOSEC detection rule is available for this vulnerability yet.
Classification under NIS2 and CRA
Rule-based classification from exploitation status and severity. It does not replace a case-by-case assessment.
NIS2
NIS2 is EU Directive (EU) 2022/2555 to raise the level of cybersecurity across the Union. It substantially broadens obligations compared with the first NIS directive: more sectors, mandatory risk management, staged reporting duties and personal accountability of senior management.
Read in glossary- High technical severity: assess and remediate the vulnerability in vulnerability handling under Art. 21(2)(e) NIS2 and document the decision.
CRA
The CRA is EU Regulation (EU) 2024/2847 setting horizontal cybersecurity requirements for „products with digital elements“ — from industrial controllers and software to connected consumer devices. For the first time manufacturers must ensure security across the entire product lifecycle, handle vulnerabilities and provide security updates.
Read in glossary- From 11.12.2027, Annex I Part II CRA requires manufacturers of affected products with digital elements to handle vulnerabilities without delay and provide security updates.
ISO/IEC 27001
ISO/IEC 27001 is the internationally leading standard for an information security management system (ISMS). It describes a risk-based, process-oriented framework to systematically plan, implement, review and improve information security.
Read in glossary- Control A.8.8, management of technical vulnerabilities: assess relevance to your systems, plan remediation and keep evidence.
Description
Ein Angreifer kann mehrere Schwachstellen in Keycloak ausnutzen, um Sicherheitsvorkehrungen zu umgehen, um einen Denial of Service Angriff durchzuführen und um einen Cross-Site Scripting Angriff durchzuführen. Keycloak ermöglicht Single Sign-On mit Identity and Access Management für moderne Anwendungen und Dienste.
Source: BSI CSAF, BSI WID Portal
Included in the same advisory
| Medium | CVE-2026-97848 | Keycloak-services: keycloak-services: protocol mapper with jsontype=json bypasses token sanitization | 6.5 | — |
| High | CVE-2026-97847 | Red Hat: Improper Authentication | 7.1 | — |
| Medium | CVE-2026-97367 | Red Hat: Improper Authentication | 6.4 | — |
| High | CVE-2026-97175 | Keycloak-services: keycloak-services: unverified idp email auto-linking enables account takeover | 8.8 | — |
| Medium | CVE-2026-97174 | Red Hat build of Keycloak 26.6: Improper Input Validation | 6.8 | — |
| Medium | CVE-2026-96547 | Red Hat: Missing Authorization | 6.5 | — |
| Medium | CVE-2026-96460 | Keycloak-services: keycloak-services: indefinite access token renewal via standard token exchange v2 | 5.4 | — |
| Not rated | CVE-2026-96457 | Vulnerability CVE-2026-96457 | — | — |
| High | CVE-2026-96453 | Red Hat: Improper Certificate Validation | 8.0 | — |
| Medium | CVE-2026-96447 | Red Hat build of Keycloak 26.6: Improper Authentication | 4.2 | — |
| High | CVE-2026-93998 | Red Hat: Improper Verification of Cryptographic Signature | 7.4 | — |
| High | CVE-2026-92857 | Red Hat: Improper Input Validation | 8.1 | — |
| Medium | CVE-2026-92856 | Keycloak-services: keycloak-services: saml broker ignores proxyrestriction delegation constraints | 4.9 | — |
| High | CVE-2026-92855 | Red Hat: Improper Authentication | 7.4 | — |
| High | CVE-2026-82965 | Red Hat: Uncontrolled Resource Consumption | 7.5 | — |
| Medium | CVE-2026-19688 | Keycloak-services: keycloak-services: admin api missing audience check | 6.8 | — |
| Critical | CVE-2026-117691 | Red Hat build of Keycloak 26.6: Improper Verification of Cryptographic Signature | 9.1 | — |
| High | CVE-2026-114232 | Red Hat: Missing Authorization | 8.1 | — |
| High | CVE-2026-112208 | Red Hat build of Keycloak 26.6: Authentication Bypass by Primary Weakness | 8.1 | — |
| High | CVE-2026-110932 | Red Hat build of Keycloak 26.6: Uncontrolled Resource Consumption | 7.5 | — |
| High | CVE-2026-110931 | Red Hat: Infinite Loop | 7.5 | — |
| Medium | CVE-2026-109081 | Keycloak-services: keycloak-services: injection of roles into realm default-roles via dcr endpoint | 6.8 | — |
| High | CVE-2026-107602 | Red Hat: Infinite Loop | 7.5 | — |
| Medium | CVE-2026-107124 | Red Hat build of Keycloak 26.6: Session Fixation | 6.4 | — |
Show 2 more CVEs
| High | CVE-2026-107123 | Red Hat build of Keycloak 26.6: Uncontrolled Resource Consumption | 7.5 | — |
| High | CVE-2026-103112 | Red Hat: Race Condition | 7.5 | — |
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<a href="https://intel.neosec.eu/en/cve/CVE-2026-112201"><img src="https://intel.neosec.eu/badge/cve/CVE-2026-112201.svg?lang=en" alt="CVE-2026-112201 – NEOSEC Intel" height="20"></a>