CVE-2026-55083

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.

  • Published Oct 1, 2026
  • CVSS 9.1 critical
  • 0.6% chance of exploitation in the next 30 days (EPSS)
  • A fix is available

Affected software

CVE-2026-55083 at the National Vulnerability Database