Keycloak: keycloak: denial of service via specially crafted saml input
A flaw was found in Keycloak. A remote, unauthenticated attacker can send a specially crafted XML input to the Security Assertion Markup Language (SAML) endpoint. This malicious input can cause high CPU usage and worker thread starvation, leading to a Denial of Service (DoS) where the server becomes unavailable.
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beschreibt (1)
Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar | ||
|---|---|---|---|---|
| CVE-2026-7307US | — | — | ||
A flaw was found in Keycloak. A remote, unauthenticated attacker can send a specially crafted XML input to the Security Assertion Markup Language (SAML) endpoint. This malicious in… | ||||
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Referenzen
Externe Belege — Patches, Meldungen, Analysen.
- https://access.redhat.com/errata/RHSA-2026:19594ADVISORY
- https://access.redhat.com/errata/RHSA-2026:19595ADVISORY
- https://access.redhat.com/errata/RHSA-2026:19596ADVISORY
- https://access.redhat.com/errata/RHSA-2026:19597ADVISORY
- https://access.redhat.com/errata/RHSA-2026:76128WEB
- https://access.redhat.com/errata/RHSA-2026:76129WEB
- https://access.redhat.com/errata/RHSA-2026:76130WEB
- https://access.redhat.com/errata/RHSA-2026:76132WEB
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