Is CVE-2026-9320 actively exploited?

No active exploitation of CVE-2026-9320 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-9320 be exploited remotely?

Yes. CVE-2026-9320 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-9320?

CVE-2026-9320 has a CVSS score of 7.5 (HIGH).

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HIGH

CVE-2026-9320

CWE-400Published: June 22, 2026· Updated: Jun 23, 2026

7.5

CVSS v3.1

EPSS:0.31%probability of exploitation in 30 daysPercentile:22.6th

Official Description

IBM WebSphere Application Server 9.0, and 8.5 and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.6 are vulnerable to a denial of service, caused by sending a specially-crafted request. A remote attacker could exploit this vulnerability to cause the server to consume memory resources.

NVD Source

Technical Analysis

CVE-2026-9320 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.