# Red Hat Build of Keycloak vulnerabilities

Source: https://junglewise.ai/threats/technologies/red-hat-build-of-keycloak  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/red-hat-build-of-keycloak.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 55 vulnerabilities in Red Hat Build of Keycloak: 0 in the last 7 days and 0 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-18218, was published on 31 July 2026.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 55 (1 critical, 0 exploited in the wild)

## About Red Hat Build of Keycloak

Red Hat build of Keycloak is an open-source identity and access management solution providing single sign-on and identity brokering.

## Latest Red Hat Build of Keycloak vulnerabilities

- [CVE-2026-18218: Keycloak TokenManager revocation bypass via client not-before policy](https://junglewise.ai/threats/cve-2026-18218-keycloak-tokenmanager-revocation-bypass-via-client-not-before) (medium, CVSS 4.2, published 31 Jul 2026)
- [CVE-2026-18217: Keycloak SAML HTTP Parameter Pollution in HTTP-Redirect binding](https://junglewise.ai/threats/cve-2026-18217-keycloak-saml-http-parameter-pollution-in-http-redirect-binding) (low, CVSS 3.4, published 31 Jul 2026)
- [CVE-2026-18211: Keycloak secure-client-uris policy bypass via improper host validation](https://junglewise.ai/threats/cve-2026-18211-keycloak-secure-client-uris-policy-bypass-via-improper-host) (medium, CVSS 4.2, published 31 Jul 2026)
- [CVE-2026-18209: Keycloak OIDC parameter pollution via redirect URI fragment](https://junglewise.ai/threats/cve-2026-18209-keycloak-oidc-parameter-pollution-via-redirect-uri-fragment) (low, CVSS 3.4, published 31 Jul 2026)
- [CVE-2026-18206: Keycloak keycloak-services improper wildcard domain validation in client policies](https://junglewise.ai/threats/cve-2026-18206-keycloak-keycloak-services-improper-wildcard-domain-validation-in) (low, CVSS 3.7, published 31 Jul 2026)
- [CVE-2026-18207: Keycloak improper authorization in client policy enforcement](https://junglewise.ai/threats/cve-2026-18207-keycloak-improper-authorization-in-client-policy-enforcement) (medium, CVSS 6.5, published 29 Jul 2026)
- [CVE-2026-17059: Keycloak keycloak-services authorization bypass in role-users endpoint](https://junglewise.ai/threats/cve-2026-17059-keycloak-keycloak-services-authorization-bypass-in-role-users) (medium, CVSS 6.5, published 24 Jul 2026)
- [CVE-2026-16106: Keycloak missing authorization in admin REST API role management](https://junglewise.ai/threats/cve-2026-16106-keycloak-missing-authorization-in-admin-rest-api-role-management) (medium, CVSS 4.9, published 17 Jul 2026)
- [CVE-2026-16104: Red Hat Build of Keycloak Information Exposure in Authentication Config](https://junglewise.ai/threats/cve-2026-16104-red-hat-build-of-keycloak-information-exposure-in-authentication) (medium, CVSS 4.3, published 17 Jul 2026)
- [CVE-2026-16103: Red Hat Keycloak brute-force protection bypass in CIBA token redemption](https://junglewise.ai/threats/cve-2026-16103-red-hat-keycloak-brute-force-protection-bypass-in-ciba-token) (medium, CVSS 4.3, published 17 Jul 2026)
- [CVE-2026-16089: Red Hat Build of Keycloak authorization code retargeting in keycloak-services](https://junglewise.ai/threats/cve-2026-16089-red-hat-build-of-keycloak-authorization-code-retargeting-in) (medium, CVSS 5.4, published 17 Jul 2026)
- [CVE-2026-16072: Keycloak permission bypass in organization management component](https://junglewise.ai/threats/cve-2026-16072-keycloak-permission-bypass-in-organization-management-component) (medium, CVSS 4.9, published 17 Jul 2026)
- [CVE-2026-15943: Keycloak improper validation of OIDC secret masking in keycloak-services](https://junglewise.ai/threats/cve-2026-15943-keycloak-improper-validation-of-oidc-secret-masking-in-keycloak) (medium, CVSS 5.5, published 17 Jul 2026)
- [CVE-2026-15945: Red Hat Keycloak authorization bypass in group search API](https://junglewise.ai/threats/cve-2026-15945-red-hat-keycloak-authorization-bypass-in-group-search-api) (medium, CVSS 4.3, published 16 Jul 2026)
- [CVE-2026-14781: Red Hat Keycloak improper validation of email_verified claim in OIDC broker](https://junglewise.ai/threats/cve-2026-14781-red-hat-keycloak-improper-validation-of-email-verified-claim-in) (medium, CVSS 4.8, published 5 Jul 2026)
- [CVE-2026-14615: Red Hat Keycloak authorization bypass in FGAP v2 child group endpoint](https://junglewise.ai/threats/cve-2026-14615-red-hat-keycloak-authorization-bypass-in-fgap-v2-child-group) (medium, CVSS 4.3, published 3 Jul 2026)
- [CVE-2026-14613: Keycloak information disclosure in FGAP v2 role groups endpoint](https://junglewise.ai/threats/cve-2026-14613-keycloak-information-disclosure-in-fgap-v2-role-groups-endpoint) (medium, CVSS 4.3, published 3 Jul 2026)
- [CVE-2026-4629: Keycloak privilege escalation via hardcoded role mapper injection](https://junglewise.ai/threats/cve-2026-4629-keycloak-privilege-escalation-via-hardcoded-role-mapper-injection) (medium, CVSS 6.5, published 30 Jun 2026)
- [CVE-2026-14209: Keycloak Admin UI auth bypass in brute-force-user endpoint](https://junglewise.ai/threats/cve-2026-14209-keycloak-admin-ui-auth-bypass-in-brute-force-user-endpoint) (medium, CVSS 4.3, published 30 Jun 2026)
- [CVE-2026-12388: Keycloak privilege escalation in Identity Provider mapper](https://junglewise.ai/threats/cve-2026-12388-keycloak-privilege-escalation-in-identity-provider-mapper) (medium, CVSS 6.5, published 30 Jun 2026)
- [CVE-2026-11800: Keycloak JWT algorithm confusion in JWT Authorization Grant flow](https://junglewise.ai/threats/cve-2026-11800-keycloak-jwt-algorithm-confusion-in-jwt-authorization-grant-flow) (high, CVSS 8.1, published 25 Jun 2026)
- [CVE-2026-9800: Keycloak Policy Enforcer authorization bypass via incorrect URI comparison](https://junglewise.ai/threats/cve-2026-9800-keycloak-policy-enforcer-authorization-bypass-via-incorrect-uri) (high, CVSS 8.1, published 25 Jun 2026)
- [CVE-2026-9705: Keycloak security bypass in client registration service](https://junglewise.ai/threats/cve-2026-9705-keycloak-security-bypass-in-client-registration-service) (medium, CVSS 6.5, published 25 Jun 2026)
- [CVE-2026-9099: Keycloak privilege escalation via missing authorization in GroupResource](https://junglewise.ai/threats/cve-2026-9099-keycloak-privilege-escalation-via-missing-authorization-in) (high, CVSS 7.7, published 25 Jun 2026)
- [CVE-2026-9086: Keycloak XSS via case-insensitive URI validation bypass](https://junglewise.ai/threats/cve-2026-9086-keycloak-xss-via-case-insensitive-uri-validation-bypass) (high, CVSS 7.3, published 25 Jun 2026)

## Most severe Red Hat Build of Keycloak vulnerabilities

- [CVE-2026-33228: WebReflection flatted prototype pollution in parse function](https://junglewise.ai/threats/cve-2026-33228-webreflection-flatted-prototype-pollution-in-parse-function) (critical, CVSS 9.8, published 20 Mar 2026)
- [CVE-2026-3047: Keycloak SAML broker authentication bypass via disabled client](https://junglewise.ai/threats/cve-2026-3047-keycloak-saml-broker-authentication-bypass-via-disabled-client) (high, CVSS 8.8, published 5 Mar 2026)
- [CVE-2026-9800: Keycloak Policy Enforcer authorization bypass via incorrect URI comparison](https://junglewise.ai/threats/cve-2026-9800-keycloak-policy-enforcer-authorization-bypass-via-incorrect-uri) (high, CVSS 8.1, published 25 Jun 2026)
- [CVE-2026-7504: Red Hat Keycloak open redirect via URL validation bypass](https://junglewise.ai/threats/cve-2026-7504-red-hat-keycloak-open-redirect-via-url-validation-bypass) (high, CVSS 8.1, published 19 May 2026)
- [CVE-2026-4636: Keycloak UMA policy bypass in Protection API](https://junglewise.ai/threats/cve-2026-4636-keycloak-uma-policy-bypass-in-protection-api) (high, CVSS 8.1, published 2 Apr 2026)
- [CVE-2026-1529: Keycloak improper signature verification in organization invitations](https://junglewise.ai/threats/cve-2026-1529-keycloak-improper-signature-verification-in-organization) (high, CVSS 8.1, published 9 Feb 2026)
- [CVE-2026-11800: Keycloak JWT algorithm confusion in JWT Authorization Grant flow](https://junglewise.ai/threats/cve-2026-11800-keycloak-jwt-algorithm-confusion-in-jwt-authorization-grant-flow) (high, CVSS 8.1, published 25 Jun 2026)
- [CVE-2026-9099: Keycloak privilege escalation via missing authorization in GroupResource](https://junglewise.ai/threats/cve-2026-9099-keycloak-privilege-escalation-via-missing-authorization-in) (high, CVSS 7.7, published 25 Jun 2026)
- [CVE-2026-7307: Keycloak denial of service in SAML endpoint](https://junglewise.ai/threats/cve-2026-7307-keycloak-denial-of-service-in-saml-endpoint) (high, CVSS 7.5, published 19 May 2026)
- [CVE-2026-7507: Keycloak session fixation in login-actions endpoints](https://junglewise.ai/threats/cve-2026-7507-keycloak-session-fixation-in-login-actions-endpoints) (high, CVSS 7.5, published 19 May 2026)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other Red Hat technologies

- [Red Hat Enterprise Linux 9](https://junglewise.ai/threats/technologies/enterprise-linux-9): 146 vulnerabilities
- [Red Hat Enterprise Linux 10](https://junglewise.ai/threats/technologies/enterprise-linux-10): 140 vulnerabilities
- [Red Hat Enterprise Linux 8](https://junglewise.ai/threats/technologies/enterprise-linux-8): 132 vulnerabilities
- [Red Hat Keycloak](https://junglewise.ai/threats/technologies/red-hat-keycloak): 102 vulnerabilities
- [Red Hat Enterprise Linux 7](https://junglewise.ai/threats/technologies/enterprise-linux-7): 68 vulnerabilities
- [Red Hat Enterprise Linux 6](https://junglewise.ai/threats/technologies/enterprise-linux-6): 56 vulnerabilities
- [Red Hat Enterprise Linux AppStream](https://junglewise.ai/threats/technologies/enterprise-linux-appstream): 46 vulnerabilities
- [Red Hat Ansible Automation Platform](https://junglewise.ai/threats/technologies/ansible-automation-platform-2): 44 vulnerabilities
- [Red Hat OpenShift Container Platform 4](https://junglewise.ai/threats/technologies/openshift-container-platform-4): 36 vulnerabilities
- [Red Hat Developer Hub](https://junglewise.ai/threats/technologies/developer-hub): 28 vulnerabilities
- [Red Hat Quay](https://junglewise.ai/threats/technologies/quay-3-12): 20 vulnerabilities
- [Red Hat Multicluster Global Hub](https://junglewise.ai/threats/technologies/multicluster-global-hub): 19 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Red Hat Build of Keycloak vulnerabilities", https://junglewise.ai/threats/technologies/red-hat-build-of-keycloak, 13 November 2026.