EUVD-2026-91002Severity by source
AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Network-reachable low-complexity deserialization needing high-privilege auth (PR:H), yielding full RCE on the server; scope kept S:U as code runs within the application's own context.
Primary rating from Vendor (GitHub_M).
CVSS VectorVendor: GitHub_M
Lifecycle Timeline
4DescriptionCVE.org
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.
Articles & Coverage 1
AnalysisAI
Remote code execution in DHIS2 Core versions 2.42.0 through before 2.42.5.1 and 2.43.0 through before 2.43.0.1 allows an authenticated attacker with high privileges to execute arbitrary code via unsafe Java deserialization. The vulnerability is remotely reachable but requires PR:H credentials, limiting exploitation to insiders or attackers who have already compromised an administrative account; no public exploit has been identified at time of analysis. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires an authenticated session with high privileges (vendor CVSS PR:H) against DHIS2 Core versions 2.42.0 up to 2.42.5.1 or 2.43.0 up to 2.43.0.1; versions 2.42.5.1, 2.43.0.1, and 2.44 are not affected. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a credible, high-priority vulnerability but not a drop-everything emergency, and the available signals partly conflict. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Apply the vendor-released fixes by upgrading to DHIS2 Core 2.42.5.1, 2.43.0.1, or 2.44; these are the exact patched versions identified in the advisory and release tags. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory every DHIS2 Core instance and confirm which ones run 2.42.0 through 2.42.5.0 or 2.43.0, then restrict administrative access to the minimum necessary accounts, rotate credentials for all high-privilege users, and enable logging on deserialization-related endpoints. …
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External POC / Exploit Code
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