Is CVE-2026-7307 actively exploited?

No active exploitation of CVE-2026-7307 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-7307 be exploited remotely?

Yes. CVE-2026-7307 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-7307?

CVE-2026-7307 has a CVSS score of 7.5 (HIGH).

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HIGH

CVE-2026-7307

CWE-1286Published: May 19, 2026· Updated: May 20, 2026

7.5

CVSS v3.1

EPSS:0.14%probability of exploitation in 30 daysPercentile:33.2th

Official Description

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.

NVD Source

Technical Analysis

CVE-2026-7307 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.