CVE-2026-55083CWE-502insecure-deserialization

CVE-2026-55083

Critical · published October 1, 2026

CVSS v3.1
9.1
EPSS
1%
Percentile
46.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00574 · 46.6th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2026-10-01T23:17Z
References (3)
https://github.com/dhis2/dhis2-core/releases/tag/2.42.5.1 · [email protected]https://github.com/dhis2/dhis2-core/releases/tag/2.43.0.1 · [email protected]https://github.com/dhis2/dhis2-core/security/advisories/GHSA-3fr2-wvqx-cmr5 · [email protected]
EPSS history
Timeline
  • 03 OCT 03:44Z
    EPSS moved — → 1%
    epss
  • 01 OCT 18:00Z
    DHIS2: Unsafe Java Deserialization - Remote Code Execution (RCE)
    cvelistv5