CVE-2026-55083 PUBLISHED

DHIS2: Unsafe Java Deserialization - Remote Code Execution (RCE)

Assigner: GitHub_M
Reserved: 16.06.2026 Published: 01.10.2026 Updated: 01.10.2026

DHIS2 is a flexible information system for data capture, management, validation, analytics and visualization. From versions 2.42.0 to before 2.42.5.1, and from versions 2.43.0 to before 2.43.0.1, DHIS2 is vulnerable to remote code execution (RCE) via unsafe Java deserialization. This issue has been patched in versions 2.42.5.1, 2.43.0.1, and 2.44.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CVSS Score: 9.1

Attack Vector	Network	Scope	Changed
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	High	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	dhis2
Product	dhis2-core
Versions	Version >= 2.42.0, < 2.42.5.1 is affected Version >= 2.43.0, < 2.43.0.1 is affected

References

Problem Types

CWE-502: Deserialization of Untrusted Data CWE