HIGHVulnerability

CVE-2026-7307

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.

Properties

severity
HIGH
score
7.5
cve_id
CVE-2026-7307
vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
published_at
2026-05-19T12:16:19.423
last_modified
2026-08-26T16:16:43.897

Related Entities (3)

HAS_WEAKNESS (1)

[Weakness]Improper Validation of Syntactic Correctness of Input

DESCRIBED_BY (1)

[Source]NVD

AFFECTS_PRODUCT (1)

[Product]

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CVE-2026-7307 — Ninja Signal Threat Intelligence | Ninja Signal