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TI-2026-76079 Aliases CVE-2026-111868GHSA-rp78-2737-x9fc

Unsafe deserialization in DataStax pulsar-jms object message decode

Priority MEDIUM 57CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-502.

Summary

DataStax pulsar-jms up to 9.0.3 has a deserialization flaw in the decode function of PulsarObjectMessage.java. Improper input validation (CWE-20) lets crafted message content trigger unsafe deserialization. A remote attacker with low privileges can exploit this without user interaction. A public exploit has been disclosed, and the project has not responded to the early issue report.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00247 16th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
datastaxpulsar-jms9.0.0; 9.0.1; 9.0.2; 9.0.3—No fix listedCNA
  • pulsar-jms Vendordatastax Affected 9.0.0; 9.0.1; 9.0.2; 9.0.3 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:datastax:pulsar-jms:*:*:*:*:*:*:*:*——datastax
  • cpe:2.3:a:datastax:pulsar-jms:*:*:*:*:*:*:*:* Versions — — ·datastax

Remediation

The sources list no fixed version for pulsar-jms.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Timeline

  1. 2026-10-18 Threatist record created from CVE-2026-111868
  2. 2026-10-18 Alias added: GHSA-rp78-2737-x9fc
  3. 2026-10-20 CISA SSVC decision points changed
  4. 2026-10-20 Priority changed: LOW → MEDIUM

References

Exploit 1

Other 1

  • TI-2019-02812 CF CLI writes the client id and secret to config file CVSS 3.0HIGH 7.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences