CVE-2026-111868

datastax pulsar-jms PulsarObjectMessage.java decode deserialization

State: Published
Severity: 5.3 Medium
Published: Oct 18, 2026
Updated: Oct 19, 2026
Reserved: Oct 17, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	5.3 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P	VulDB
3.1	6.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C	VulDB
3.0	6.3 Medium	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C	VulDB
2.0	6.5 Medium	AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:C	VulDB

Weaknesses

CWE-502 Deserialization
CWE-20 Improper Input Validation

Affected Products

Product	Versions
pulsar-jmsdatastax	9.0.0Affected 9.0.1Affected 9.0.2Affected 9.0.3Affected

References

VDB-421580 | datastax pulsar-jms PulsarObjectMessage.java decode deserializationvdb-entrytechnical-description
VDB-421580 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
CVE-2026-111868 | CVE Analysis and Reportthird-party-advisory
Submit #1004922 | datastax pulsar-jms <=9.0.3 Deserialization of Untrusted Datathird-party-advisory
https://github.com/datastax/pulsar-jms/issues/210exploitissue-tracking
https://github.com/datastax/pulsar-jms/product

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