Is CVE-2026-111868 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-111868?

CVE-2026-111868 has a CVSS v3 severity of MEDIUM (6.3).

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CVE-2026-111868

Description

A vulnerability was determined in datastax pulsar-jms up to 9.0.3. This issue affects the function decode of the file pulsar-jms/src/main/java/com/datastax/oss/pulsar/jms/messages/PulsarObjectMessage.java. This manipulation causes deserialization. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.