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

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-55083
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-01 19:17:21 UTC
Updated2026-10-02 18:53:46 UTC
DescriptionDHIS2 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.

Risk And Classification

Primary CVSS: v3.1 9.1 CRITICAL from [email protected]

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

EPSS: 0.005740000 probability, percentile 0.454680000 (date 2026-10-05)

Problem Types: CWE-502 | CWE-502 CWE-502: Deserialization of Untrusted Data

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary9.1CRITICALCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
3.1CNADECLARED9.1CRITICALCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Dhis2 Dhis2-core affected >= 2.42.0, < 2.42.5.1 Not specified
CNA Dhis2 Dhis2-core affected >= 2.43.0, < 2.43.0.1 Not specified

References

ReferenceSourceLinkTags
github.com/dhis2/dhis2-core/releases/tag/2.43.0.1 [email protected] github.com
github.com/dhis2/dhis2-core/releases/tag/2.42.5.1 [email protected] github.com
github.com/dhis2/dhis2-core/security/advisories/GHSA-3fr2-wvqx-cmr5 [email protected] github.com
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