CVE-2026-55083
Critical
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.
SeverityCritical
CVSS9.1
Exploit probability—
ProductDhis2-core
PublishedOct 1, 2026
First seenOct 1, 2026
Weakness typeCWE-502Deserialization of untrusted data
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| dhis2 dhis2-core | >= 2.42.0, < 2.42.5.1, >= 2.43.0, < 2.43.0.1 | — |
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