CVE-2026-55083

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

State: Published
Severity: 9.1 Critical
Published: Oct 1, 2026
Updated: Oct 1, 2026
Reserved: Jun 16, 2026

Description

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.

Scores

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

Weaknesses

CWE-502 Deserialization of Untrusted Data

Affected Products

Product	Versions
dhis2-coredhis2	>= 2.42.0, < 2.42.5.1Affected >= 2.43.0, < 2.43.0.1Affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.