All vulnerabilities
CVE-2026-55083GHSA-3fr2-wvqx-cmr5

dhis2-core: DHIS2: Unsafe Java Deserialization - Remote Code Execution (RCE)

dhis2 dhis2-core
Open in ThreatlineRecord JSON
CVSS
9.1Critical
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.57%Chance of exploitation activity in the next 30 days, higher than 46% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in2.42.5.1Also 2.43.0.1, 2.44 development branch after PR #24162GitHub
Published1 Oct 2026Updated 1 Oct 2026CVE List

What fixes it

  • 2.42.5.1dhis2-core, mavenGitHub
  • 2.43.0.1dhis2-core, mavenGitHub
  • 2.44 development branch after PR #24162dhis2-core, mavenGitHub

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

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.

Text from CVE List

Affected versions 3

  • dhis2-coreaffected: >= 2.42.0, < 2.42.5.1CVE List
  • dhis2-coreaffected: >= 2.43.0, < 2.43.0.1CVE List
  • dhis2-core, maven2.42.x before 2.42.5.1, 2.43.0 before 2.43.0.1, 2.44 development branch before PR #24162GitHub

References 3