[NEU] [mittel] Keycloak: Mehrere Schwachstellen

Details

Source

CERT-Bund (BSI) Security Advisories (DE · national-cert · site)

Severity

medium

Published

2026-08-03

Exploitation

Not in CISA KEV at last sync

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2614

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

• Low exploitation riskCVE-2026-161050.20% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 10% of all scored CVEs.
• Low exploitation riskCVE-2026-182030.20% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 10% of all scored CVEs.
• Low exploitation riskCVE-2026-182060.22% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 12% of all scored CVEs.
• Low exploitation riskCVE-2026-182080.22% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 13% of all scored CVEs.
• Low exploitation riskCVE-2026-182090.19% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 9% of all scored CVEs.
• Low exploitation riskCVE-2026-182110.19% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 9% of all scored CVEs.
• Low exploitation riskCVE-2026-182140.20% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 10% of all scored CVEs.
• Low exploitation riskCVE-2026-182150.19% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 9% of all scored CVEs.
• Low exploitation riskCVE-2026-182170.19% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 9% of all scored CVEs.
• Low exploitation riskCVE-2026-182180.13% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all scored CVEs.

Referenced CVEs

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

• mediumCVE-2026-18573: A flaw was found in the keycloak-services component of Keycloak, which is used for managing au…nvd
• mediumCVE-2026-18572: Keycloak provides authorization services that allow administrators to restrict access to resou…nvd
• mediumCVE-2026-18571: A flaw was found in the user creation component of Keycloak when Fine-Grained Admin Permission…nvd
• mediumCVE-2026-18570: A flaw was found in the full-scope-disabled client-policy executor within the keycloak-service…nvd
• unknownCVE-2026-53573: GeoNetwork is a catalog application to manage spatially referenced resources. From 3.12.0 unti…nvd
• mediumGHSA-pjp7-q6wp-97qx: core-geonetwork has an Open Redirect Bypassghsa
• mediumCVE-2026-18218: A flaw was found in the TokenManager component of the Keycloak identity management service. Wh…nvd
• lowCVE-2026-18217: A flaw was found in the SAML protocol implementation of Keycloak, an open-source identity and …nvd
• mediumCVE-2026-18215: Keycloak provides a way to let users log in using Microsoft accounts while restricting access …nvd
• mediumCVE-2026-18214: Keycloak allows users to log in using Google accounts and can be configured to only allow user…nvd
• mediumCVE-2026-18211: A flaw was found in the secure-client-uris client policy executor within Keycloak core service…nvd
• lowCVE-2026-18209: A flaw was found in the keycloak-services component of Keycloak, which handles OpenID Connect …nvd

Recent advisories for Keycloak

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

• highCVE-2026-16443: A flaw was found in the SAML metadata import functionality of the keycloak-services component,…nvd · 2026-08-05
• low[NEU] [UNGEPATCHT] [niedrig] RedHat Build of Keycloak: Schwachstelle ermöglicht Denial of Servicecert-bund · 2026-08-04
• lowCVE-2026-18569: A flaw was found in the backchannel logout endpoint of the keycloak-services component, which …nvd · 2026-08-04
• mediumCVE-2026-18573: A flaw was found in the keycloak-services component of Keycloak, which is used for managing au…nvd · 2026-08-02
• mediumCVE-2026-18572: Keycloak provides authorization services that allow administrators to restrict access to resou…nvd · 2026-08-02
• mediumCVE-2026-18571: A flaw was found in the user creation component of Keycloak when Fine-Grained Admin Permission…nvd · 2026-08-02

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